Home / 206,410.58-284,725.61-129,808.17

Finding the Fourth Proportional to 206,410.58, 284,725.61 and 129,808.17

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Solution

The fourth proportional to 206,410.58, 284,725.61 and 129,808.17 is: 179,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,410.58 : 284,725.61 = 129,808.17 : x
  2. Step 2: Convert to fraction form
    206,410.58/284,725.61 = 129,808.17/x
  3. Step 3: Cross multiply
    206,410.58x = 284,725.61 × 129,808.17
  4. Step 4: Simplify right side
    206,410.58x = 36,959,710,386.23
  5. Step 5: Solve for x
    x = 36,959,710,386.23/206,410.58
  6. Step 6: Final answer
    x = 179,059.19

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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.