Home / 205,909.50-284,161.04-115,264.93

Finding the Fourth Proportional to 205,909.50, 284,161.04 and 115,264.93

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Solution

The fourth proportional to 205,909.50, 284,161.04 and 115,264.93 is: 159,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,909.50 : 284,161.04 = 115,264.93 : x
  2. Step 2: Convert to fraction form
    205,909.50/284,161.04 = 115,264.93/x
  3. Step 3: Cross multiply
    205,909.50x = 284,161.04 × 115,264.93
  4. Step 4: Simplify right side
    205,909.50x = 32,753,802,711.01
  5. Step 5: Solve for x
    x = 32,753,802,711.01/205,909.50
  6. Step 6: Final answer
    x = 159,068.93

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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.