Home / 178,947.92-268,404.60-90,166.16

Finding the Fourth Proportional to 178,947.92, 268,404.60 and 90,166.16

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Solution

The fourth proportional to 178,947.92, 268,404.60 and 90,166.16 is: 135,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,947.92 : 268,404.60 = 90,166.16 : x
  2. Step 2: Convert to fraction form
    178,947.92/268,404.60 = 90,166.16/x
  3. Step 3: Cross multiply
    178,947.92x = 268,404.60 × 90,166.16
  4. Step 4: Simplify right side
    178,947.92x = 24,201,012,108.34
  5. Step 5: Solve for x
    x = 24,201,012,108.34/178,947.92
  6. Step 6: Final answer
    x = 135,240.53

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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.