Home / 155,965.35-233,948.03-139,344.15

Finding the Fourth Proportional to 155,965.35, 233,948.03 and 139,344.15

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Solution

The fourth proportional to 155,965.35, 233,948.03 and 139,344.15 is: 209,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,965.35 : 233,948.03 = 139,344.15 : x
  2. Step 2: Convert to fraction form
    155,965.35/233,948.03 = 139,344.15/x
  3. Step 3: Cross multiply
    155,965.35x = 233,948.03 × 139,344.15
  4. Step 4: Simplify right side
    155,965.35x = 32,599,288,687.80
  5. Step 5: Solve for x
    x = 32,599,288,687.80/155,965.35
  6. Step 6: Final answer
    x = 209,016.23

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.