Home / 103,730.60-155,250.30-95,436.20

Finding the Fourth Proportional to 103,730.60, 155,250.30 and 95,436.20

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Solution

The fourth proportional to 103,730.60, 155,250.30 and 95,436.20 is: 142,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,730.60 : 155,250.30 = 95,436.20 : x
  2. Step 2: Convert to fraction form
    103,730.60/155,250.30 = 95,436.20/x
  3. Step 3: Cross multiply
    103,730.60x = 155,250.30 × 95,436.20
  4. Step 4: Simplify right side
    103,730.60x = 14,816,498,680.86
  5. Step 5: Solve for x
    x = 14,816,498,680.86/103,730.60
  6. Step 6: Final answer
    x = 142,836.33

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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.