Home / 131,836.98-181,934.58-71,407.47

Finding the Fourth Proportional to 131,836.98, 181,934.58 and 71,407.47

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Solution

The fourth proportional to 131,836.98, 181,934.58 and 71,407.47 is: 98,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,836.98 : 181,934.58 = 71,407.47 : x
  2. Step 2: Convert to fraction form
    131,836.98/181,934.58 = 71,407.47/x
  3. Step 3: Cross multiply
    131,836.98x = 181,934.58 × 71,407.47
  4. Step 4: Simplify right side
    131,836.98x = 12,991,488,063.31
  5. Step 5: Solve for x
    x = 12,991,488,063.31/131,836.98
  6. Step 6: Final answer
    x = 98,542.06

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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.