Home / 131,011.39-180,773.19-73,642.76

Finding the Fourth Proportional to 131,011.39, 180,773.19 and 73,642.76

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Solution

The fourth proportional to 131,011.39, 180,773.19 and 73,642.76 is: 101,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,011.39 : 180,773.19 = 73,642.76 : x
  2. Step 2: Convert to fraction form
    131,011.39/180,773.19 = 73,642.76/x
  3. Step 3: Cross multiply
    131,011.39x = 180,773.19 × 73,642.76
  4. Step 4: Simplify right side
    131,011.39x = 13,312,636,645.60
  5. Step 5: Solve for x
    x = 13,312,636,645.60/131,011.39
  6. Step 6: Final answer
    x = 101,614.35

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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.