Home / 131,126.18-180,952.18-73,761.17

Finding the Fourth Proportional to 131,126.18, 180,952.18 and 73,761.17

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Solution

The fourth proportional to 131,126.18, 180,952.18 and 73,761.17 is: 101,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,126.18 : 180,952.18 = 73,761.17 : x
  2. Step 2: Convert to fraction form
    131,126.18/180,952.18 = 73,761.17/x
  3. Step 3: Cross multiply
    131,126.18x = 180,952.18 × 73,761.17
  4. Step 4: Simplify right side
    131,126.18x = 13,347,243,421.69
  5. Step 5: Solve for x
    x = 13,347,243,421.69/131,126.18
  6. Step 6: Final answer
    x = 101,789.31

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1.5x scale

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.