Home / 147,008.28-202,873.92-83,344.80

Finding the Fourth Proportional to 147,008.28, 202,873.92 and 83,344.80

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Solution

The fourth proportional to 147,008.28, 202,873.92 and 83,344.80 is: 115,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,008.28 : 202,873.92 = 83,344.80 : x
  2. Step 2: Convert to fraction form
    147,008.28/202,873.92 = 83,344.80/x
  3. Step 3: Cross multiply
    147,008.28x = 202,873.92 × 83,344.80
  4. Step 4: Simplify right side
    147,008.28x = 16,908,486,287.62
  5. Step 5: Solve for x
    x = 16,908,486,287.62/147,008.28
  6. Step 6: Final answer
    x = 115,017.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.