Home / 131,716.53-181,767.24-71,285.74

Finding the Fourth Proportional to 131,716.53, 181,767.24 and 71,285.74

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Solution

The fourth proportional to 131,716.53, 181,767.24 and 71,285.74 is: 98,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,716.53 : 181,767.24 = 71,285.74 : x
  2. Step 2: Convert to fraction form
    131,716.53/181,767.24 = 71,285.74/x
  3. Step 3: Cross multiply
    131,716.53x = 181,767.24 × 71,285.74
  4. Step 4: Simplify right side
    131,716.53x = 12,957,411,756.74
  5. Step 5: Solve for x
    x = 12,957,411,756.74/131,716.53
  6. Step 6: Final answer
    x = 98,373.47

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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.