Home / 131,304.96-181,186.56-74,711.04

Finding the Fourth Proportional to 131,304.96, 181,186.56 and 74,711.04

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Solution

The fourth proportional to 131,304.96, 181,186.56 and 74,711.04 is: 103,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,304.96 : 181,186.56 = 74,711.04 : x
  2. Step 2: Convert to fraction form
    131,304.96/181,186.56 = 74,711.04/x
  3. Step 3: Cross multiply
    131,304.96x = 181,186.56 × 74,711.04
  4. Step 4: Simplify right side
    131,304.96x = 13,536,636,331.62
  5. Step 5: Solve for x
    x = 13,536,636,331.62/131,304.96
  6. Step 6: Final answer
    x = 103,093.11

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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.