Home / 99,624.60-149,436.90-58,152.60

Finding the Fourth Proportional to 99,624.60, 149,436.90 and 58,152.60

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Solution

The fourth proportional to 99,624.60, 149,436.90 and 58,152.60 is: 87,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,624.60 : 149,436.90 = 58,152.60 : x
  2. Step 2: Convert to fraction form
    99,624.60/149,436.90 = 58,152.60/x
  3. Step 3: Cross multiply
    99,624.60x = 149,436.90 × 58,152.60
  4. Step 4: Simplify right side
    99,624.60x = 8,690,144,270.94
  5. Step 5: Solve for x
    x = 8,690,144,270.94/99,624.60
  6. Step 6: Final answer
    x = 87,228.90

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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.