Home / 131,732.12-181,789.08-71,302.16

Finding the Fourth Proportional to 131,732.12, 181,789.08 and 71,302.16

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Solution

The fourth proportional to 131,732.12, 181,789.08 and 71,302.16 is: 98,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.12 : 181,789.08 = 71,302.16 : x
  2. Step 2: Convert to fraction form
    131,732.12/181,789.08 = 71,302.16/x
  3. Step 3: Cross multiply
    131,732.12x = 181,789.08 × 71,302.16
  4. Step 4: Simplify right side
    131,732.12x = 12,961,954,068.41
  5. Step 5: Solve for x
    x = 12,961,954,068.41/131,732.12
  6. Step 6: Final answer
    x = 98,396.31

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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.