Home / 131,221.03-181,099.56-73,862.11

Finding the Fourth Proportional to 131,221.03, 181,099.56 and 73,862.11

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Solution

The fourth proportional to 131,221.03, 181,099.56 and 73,862.11 is: 101,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,221.03 : 181,099.56 = 73,862.11 : x
  2. Step 2: Convert to fraction form
    131,221.03/181,099.56 = 73,862.11/x
  3. Step 3: Cross multiply
    131,221.03x = 181,099.56 × 73,862.11
  4. Step 4: Simplify right side
    131,221.03x = 13,376,395,621.67
  5. Step 5: Solve for x
    x = 13,376,395,621.67/131,221.03
  6. Step 6: Final answer
    x = 101,937.90

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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.