Home / 131,737.04-181,814.28-75,159.44

Finding the Fourth Proportional to 131,737.04, 181,814.28 and 75,159.44

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Solution

The fourth proportional to 131,737.04, 181,814.28 and 75,159.44 is: 103,729.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737.04 : 181,814.28 = 75,159.44 : x
  2. Step 2: Convert to fraction form
    131,737.04/181,814.28 = 75,159.44/x
  3. Step 3: Cross multiply
    131,737.04x = 181,814.28 × 75,159.44
  4. Step 4: Simplify right side
    131,737.04x = 13,665,059,468.80
  5. Step 5: Solve for x
    x = 13,665,059,468.80/131,737.04
  6. Step 6: Final answer
    x = 103,729.82

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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.