Home / 156,169.08-215,512.31-84,548.95

Finding the Fourth Proportional to 156,169.08, 215,512.31 and 84,548.95

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Solution

The fourth proportional to 156,169.08, 215,512.31 and 84,548.95 is: 116,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,169.08 : 215,512.31 = 84,548.95 : x
  2. Step 2: Convert to fraction form
    156,169.08/215,512.31 = 84,548.95/x
  3. Step 3: Cross multiply
    156,169.08x = 215,512.31 × 84,548.95
  4. Step 4: Simplify right side
    156,169.08x = 18,221,339,195.17
  5. Step 5: Solve for x
    x = 18,221,339,195.17/156,169.08
  6. Step 6: Final answer
    x = 116,677.00

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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.