Home / 130,557.75-180,169.92-73,972.95

Finding the Fourth Proportional to 130,557.75, 180,169.92 and 73,972.95

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Solution

The fourth proportional to 130,557.75, 180,169.92 and 73,972.95 is: 102,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,557.75 : 180,169.92 = 73,972.95 : x
  2. Step 2: Convert to fraction form
    130,557.75/180,169.92 = 73,972.95/x
  3. Step 3: Cross multiply
    130,557.75x = 180,169.92 × 73,972.95
  4. Step 4: Simplify right side
    130,557.75x = 13,327,700,483.66
  5. Step 5: Solve for x
    x = 13,327,700,483.66/130,557.75
  6. Step 6: Final answer
    x = 102,082.80

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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.