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Finding the Fourth Proportional to 67,268.48, 100,902.84 and 63,158.11

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Solution

The fourth proportional to 67,268.48, 100,902.84 and 63,158.11 is: 94,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,268.48 : 100,902.84 = 63,158.11 : x
  2. Step 2: Convert to fraction form
    67,268.48/100,902.84 = 63,158.11/x
  3. Step 3: Cross multiply
    67,268.48x = 100,902.84 × 63,158.11
  4. Step 4: Simplify right side
    67,268.48x = 6,372,832,668.03
  5. Step 5: Solve for x
    x = 6,372,832,668.03/67,268.48
  6. Step 6: Final answer
    x = 94,737.28

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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.