Home / 206,427.12-284,864.04-114,545.76

Finding the Fourth Proportional to 206,427.12, 284,864.04 and 114,545.76

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Solution

The fourth proportional to 206,427.12, 284,864.04 and 114,545.76 is: 158,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,427.12 : 284,864.04 = 114,545.76 : x
  2. Step 2: Convert to fraction form
    206,427.12/284,864.04 = 114,545.76/x
  3. Step 3: Cross multiply
    206,427.12x = 284,864.04 × 114,545.76
  4. Step 4: Simplify right side
    206,427.12x = 32,629,967,958.47
  5. Step 5: Solve for x
    x = 32,629,967,958.47/206,427.12
  6. Step 6: Final answer
    x = 158,070.16

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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.