Home / 156,076.46-215,605.83-124,204.58

Finding the Fourth Proportional to 156,076.46, 215,605.83 and 124,204.58

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Solution

The fourth proportional to 156,076.46, 215,605.83 and 124,204.58 is: 171,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,076.46 : 215,605.83 = 124,204.58 : x
  2. Step 2: Convert to fraction form
    156,076.46/215,605.83 = 124,204.58/x
  3. Step 3: Cross multiply
    156,076.46x = 215,605.83 × 124,204.58
  4. Step 4: Simplify right side
    156,076.46x = 26,779,231,560.70
  5. Step 5: Solve for x
    x = 26,779,231,560.70/156,076.46
  6. Step 6: Final answer
    x = 171,577.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.