Home / 94,749.80-141,951.90-77,124.20

Finding the Fourth Proportional to 94,749.80, 141,951.90 and 77,124.20

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Solution

The fourth proportional to 94,749.80, 141,951.90 and 77,124.20 is: 115,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,749.80 : 141,951.90 = 77,124.20 : x
  2. Step 2: Convert to fraction form
    94,749.80/141,951.90 = 77,124.20/x
  3. Step 3: Cross multiply
    94,749.80x = 141,951.90 × 77,124.20
  4. Step 4: Simplify right side
    94,749.80x = 10,947,926,725.98
  5. Step 5: Solve for x
    x = 10,947,926,725.98/94,749.80
  6. Step 6: Final answer
    x = 115,545.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.