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Finding the Fourth Proportional to 120,850.85, 181,280.84 and 45,957.04

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Solution

The fourth proportional to 120,850.85, 181,280.84 and 45,957.04 is: 68,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,850.85 : 181,280.84 = 45,957.04 : x
  2. Step 2: Convert to fraction form
    120,850.85/181,280.84 = 45,957.04/x
  3. Step 3: Cross multiply
    120,850.85x = 181,280.84 × 45,957.04
  4. Step 4: Simplify right side
    120,850.85x = 8,331,130,132.13
  5. Step 5: Solve for x
    x = 8,331,130,132.13/120,850.85
  6. Step 6: Final answer
    x = 68,937.29

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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.