Home / 206,545.46-285,080.37-134,798.90

Finding the Fourth Proportional to 206,545.46, 285,080.37 and 134,798.90

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Solution

The fourth proportional to 206,545.46, 285,080.37 and 134,798.90 is: 186,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,545.46 : 285,080.37 = 134,798.90 : x
  2. Step 2: Convert to fraction form
    206,545.46/285,080.37 = 134,798.90/x
  3. Step 3: Cross multiply
    206,545.46x = 285,080.37 × 134,798.90
  4. Step 4: Simplify right side
    206,545.46x = 38,428,520,287.59
  5. Step 5: Solve for x
    x = 38,428,520,287.59/206,545.46
  6. Step 6: Final answer
    x = 186,053.57

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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.