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Finding the Fourth Proportional to 162,476.70, 224,216.31 and 90,855.90

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Solution

The fourth proportional to 162,476.70, 224,216.31 and 90,855.90 is: 125,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,476.70 : 224,216.31 = 90,855.90 : x
  2. Step 2: Convert to fraction form
    162,476.70/224,216.31 = 90,855.90/x
  3. Step 3: Cross multiply
    162,476.70x = 224,216.31 × 90,855.90
  4. Step 4: Simplify right side
    162,476.70x = 20,371,374,639.73
  5. Step 5: Solve for x
    x = 20,371,374,639.73/162,476.70
  6. Step 6: Final answer
    x = 125,380.28

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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.