Home / 206,070.10-284,373.38-115,425.83

Finding the Fourth Proportional to 206,070.10, 284,373.38 and 115,425.83

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Solution

The fourth proportional to 206,070.10, 284,373.38 and 115,425.83 is: 159,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,070.10 : 284,373.38 = 115,425.83 : x
  2. Step 2: Convert to fraction form
    206,070.10/284,373.38 = 115,425.83/x
  3. Step 3: Cross multiply
    206,070.10x = 284,373.38 × 115,425.83
  4. Step 4: Simplify right side
    206,070.10x = 32,824,034,415.90
  5. Step 5: Solve for x
    x = 32,824,034,415.90/206,070.10
  6. Step 6: Final answer
    x = 159,285.77

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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.