Home / 136,412.91-204,619.77-47,666.43

Finding the Fourth Proportional to 136,412.91, 204,619.77 and 47,666.43

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Solution

The fourth proportional to 136,412.91, 204,619.77 and 47,666.43 is: 71,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,412.91 : 204,619.77 = 47,666.43 : x
  2. Step 2: Convert to fraction form
    136,412.91/204,619.77 = 47,666.43/x
  3. Step 3: Cross multiply
    136,412.91x = 204,619.77 × 47,666.43
  4. Step 4: Simplify right side
    136,412.91x = 9,753,493,943.32
  5. Step 5: Solve for x
    x = 9,753,493,943.32/136,412.91
  6. Step 6: Final answer
    x = 71,499.79

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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.