Home / 99,467.60-137,267.04-54,146.88

Finding the Fourth Proportional to 99,467.60, 137,267.04 and 54,146.88

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Solution

The fourth proportional to 99,467.60, 137,267.04 and 54,146.88 is: 74,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,467.60 : 137,267.04 = 54,146.88 : x
  2. Step 2: Convert to fraction form
    99,467.60/137,267.04 = 54,146.88/x
  3. Step 3: Cross multiply
    99,467.60x = 137,267.04 × 54,146.88
  4. Step 4: Simplify right side
    99,467.60x = 7,432,581,942.84
  5. Step 5: Solve for x
    x = 7,432,581,942.84/99,467.60
  6. Step 6: Final answer
    x = 74,723.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.