Home / 155,965.40-233,948.10-136,282.40

Finding the Fourth Proportional to 155,965.40, 233,948.10 and 136,282.40

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Solution

The fourth proportional to 155,965.40, 233,948.10 and 136,282.40 is: 204,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,965.40 : 233,948.10 = 136,282.40 : x
  2. Step 2: Convert to fraction form
    155,965.40/233,948.10 = 136,282.40/x
  3. Step 3: Cross multiply
    155,965.40x = 233,948.10 × 136,282.40
  4. Step 4: Simplify right side
    155,965.40x = 31,883,008,543.44
  5. Step 5: Solve for x
    x = 31,883,008,543.44/155,965.40
  6. Step 6: Final answer
    x = 204,423.60

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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.