Home / 156,024.88-215,314.11-84,404.74

Finding the Fourth Proportional to 156,024.88, 215,314.11 and 84,404.74

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Solution

The fourth proportional to 156,024.88, 215,314.11 and 84,404.74 is: 116,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,024.88 : 215,314.11 = 84,404.74 : x
  2. Step 2: Convert to fraction form
    156,024.88/215,314.11 = 84,404.74/x
  3. Step 3: Cross multiply
    156,024.88x = 215,314.11 × 84,404.74
  4. Step 4: Simplify right side
    156,024.88x = 18,173,531,472.88
  5. Step 5: Solve for x
    x = 18,173,531,472.88/156,024.88
  6. Step 6: Final answer
    x = 116,478.42

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1.5x scale

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.