Home / 131,233.50-181,102.23-71,617.50

Finding the Fourth Proportional to 131,233.50, 181,102.23 and 71,617.50

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Solution

The fourth proportional to 131,233.50, 181,102.23 and 71,617.50 is: 98,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233.50 : 181,102.23 = 71,617.50 : x
  2. Step 2: Convert to fraction form
    131,233.50/181,102.23 = 71,617.50/x
  3. Step 3: Cross multiply
    131,233.50x = 181,102.23 × 71,617.50
  4. Step 4: Simplify right side
    131,233.50x = 12,970,088,957.03
  5. Step 5: Solve for x
    x = 12,970,088,957.03/131,233.50
  6. Step 6: Final answer
    x = 98,832.15

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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.