Home / 168,385.59-252,622.17-84,142.35

Finding the Fourth Proportional to 168,385.59, 252,622.17 and 84,142.35

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Solution

The fourth proportional to 168,385.59, 252,622.17 and 84,142.35 is: 126,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,385.59 : 252,622.17 = 84,142.35 : x
  2. Step 2: Convert to fraction form
    168,385.59/252,622.17 = 84,142.35/x
  3. Step 3: Cross multiply
    168,385.59x = 252,622.17 × 84,142.35
  4. Step 4: Simplify right side
    168,385.59x = 21,256,223,045.90
  5. Step 5: Solve for x
    x = 21,256,223,045.90/168,385.59
  6. Step 6: Final answer
    x = 126,235.40

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1.5x scale

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.