Home / 136,287.30-204,472.82-69,774.13

Finding the Fourth Proportional to 136,287.30, 204,472.82 and 69,774.13

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Solution

The fourth proportional to 136,287.30, 204,472.82 and 69,774.13 is: 104,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,287.30 : 204,472.82 = 69,774.13 : x
  2. Step 2: Convert to fraction form
    136,287.30/204,472.82 = 69,774.13/x
  3. Step 3: Cross multiply
    136,287.30x = 204,472.82 × 69,774.13
  4. Step 4: Simplify right side
    136,287.30x = 14,266,913,124.15
  5. Step 5: Solve for x
    x = 14,266,913,124.15/136,287.30
  6. Step 6: Final answer
    x = 104,682.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.