Home / 102,134.12-153,159.26-38,977.24

Finding the Fourth Proportional to 102,134.12, 153,159.26 and 38,977.24

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Solution

The fourth proportional to 102,134.12, 153,159.26 and 38,977.24 is: 58,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,134.12 : 153,159.26 = 38,977.24 : x
  2. Step 2: Convert to fraction form
    102,134.12/153,159.26 = 38,977.24/x
  3. Step 3: Cross multiply
    102,134.12x = 153,159.26 × 38,977.24
  4. Step 4: Simplify right side
    102,134.12x = 5,969,725,235.24
  5. Step 5: Solve for x
    x = 5,969,725,235.24/102,134.12
  6. Step 6: Final answer
    x = 58,449.86

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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.