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Finding the Fourth Proportional to 162,046.56, 223,624.80 and 90,425.28

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Solution

The fourth proportional to 162,046.56, 223,624.80 and 90,425.28 is: 124,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,046.56 : 223,624.80 = 90,425.28 : x
  2. Step 2: Convert to fraction form
    162,046.56/223,624.80 = 90,425.28/x
  3. Step 3: Cross multiply
    162,046.56x = 223,624.80 × 90,425.28
  4. Step 4: Simplify right side
    162,046.56x = 20,221,335,154.94
  5. Step 5: Solve for x
    x = 20,221,335,154.94/162,046.56
  6. Step 6: Final answer
    x = 124,787.19

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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.