Home / 124,134.28-171,305.70-67,545.72

Finding the Fourth Proportional to 124,134.28, 171,305.70 and 67,545.72

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Solution

The fourth proportional to 124,134.28, 171,305.70 and 67,545.72 is: 93,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,134.28 : 171,305.70 = 67,545.72 : x
  2. Step 2: Convert to fraction form
    124,134.28/171,305.70 = 67,545.72/x
  3. Step 3: Cross multiply
    124,134.28x = 171,305.70 × 67,545.72
  4. Step 4: Simplify right side
    124,134.28x = 11,570,966,846.60
  5. Step 5: Solve for x
    x = 11,570,966,846.60/124,134.28
  6. Step 6: Final answer
    x = 93,213.31

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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.