Home / 93,000.20-139,500.30-48,640.55

Finding the Fourth Proportional to 93,000.20, 139,500.30 and 48,640.55

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Solution

The fourth proportional to 93,000.20, 139,500.30 and 48,640.55 is: 72,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.20 : 139,500.30 = 48,640.55 : x
  2. Step 2: Convert to fraction form
    93,000.20/139,500.30 = 48,640.55/x
  3. Step 3: Cross multiply
    93,000.20x = 139,500.30 × 48,640.55
  4. Step 4: Simplify right side
    93,000.20x = 6,785,371,317.17
  5. Step 5: Solve for x
    x = 6,785,371,317.17/93,000.20
  6. Step 6: Final answer
    x = 72,960.83

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Similar ratio
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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.