Home / 136,011.53-187,695.20-74,759.13

Finding the Fourth Proportional to 136,011.53, 187,695.20 and 74,759.13

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Solution

The fourth proportional to 136,011.53, 187,695.20 and 74,759.13 is: 103,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,011.53 : 187,695.20 = 74,759.13 : x
  2. Step 2: Convert to fraction form
    136,011.53/187,695.20 = 74,759.13/x
  3. Step 3: Cross multiply
    136,011.53x = 187,695.20 × 74,759.13
  4. Step 4: Simplify right side
    136,011.53x = 14,031,929,857.18
  5. Step 5: Solve for x
    x = 14,031,929,857.18/136,011.53
  6. Step 6: Final answer
    x = 103,167.21

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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.