Home / 100,687.08-151,027.38-34,126.68

Finding the Fourth Proportional to 100,687.08, 151,027.38 and 34,126.68

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Solution

The fourth proportional to 100,687.08, 151,027.38 and 34,126.68 is: 51,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,687.08 : 151,027.38 = 34,126.68 : x
  2. Step 2: Convert to fraction form
    100,687.08/151,027.38 = 34,126.68/x
  3. Step 3: Cross multiply
    100,687.08x = 151,027.38 × 34,126.68
  4. Step 4: Simplify right side
    100,687.08x = 5,154,063,068.50
  5. Step 5: Solve for x
    x = 5,154,063,068.50/100,687.08
  6. Step 6: Final answer
    x = 51,188.92

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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.