Home / 131,755.92-181,822.10-71,325.34

Finding the Fourth Proportional to 131,755.92, 181,822.10 and 71,325.34

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Solution

The fourth proportional to 131,755.92, 181,822.10 and 71,325.34 is: 98,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,755.92 : 181,822.10 = 71,325.34 : x
  2. Step 2: Convert to fraction form
    131,755.92/181,822.10 = 71,325.34/x
  3. Step 3: Cross multiply
    131,755.92x = 181,822.10 × 71,325.34
  4. Step 4: Simplify right side
    131,755.92x = 12,968,523,102.01
  5. Step 5: Solve for x
    x = 12,968,523,102.01/131,755.92
  6. Step 6: Final answer
    x = 98,428.39

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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.