Home / 118,652.04-177,912.45-90,199.17

Finding the Fourth Proportional to 118,652.04, 177,912.45 and 90,199.17

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Solution

The fourth proportional to 118,652.04, 177,912.45 and 90,199.17 is: 135,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,652.04 : 177,912.45 = 90,199.17 : x
  2. Step 2: Convert to fraction form
    118,652.04/177,912.45 = 90,199.17/x
  3. Step 3: Cross multiply
    118,652.04x = 177,912.45 × 90,199.17
  4. Step 4: Simplify right side
    118,652.04x = 16,047,555,322.67
  5. Step 5: Solve for x
    x = 16,047,555,322.67/118,652.04
  6. Step 6: Final answer
    x = 135,248.88

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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.