Home / 187,891.08-281,836.02-47,649.36

Finding the Fourth Proportional to 187,891.08, 281,836.02 and 47,649.36

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Solution

The fourth proportional to 187,891.08, 281,836.02 and 47,649.36 is: 71,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,891.08 : 281,836.02 = 47,649.36 : x
  2. Step 2: Convert to fraction form
    187,891.08/281,836.02 = 47,649.36/x
  3. Step 3: Cross multiply
    187,891.08x = 281,836.02 × 47,649.36
  4. Step 4: Simplify right side
    187,891.08x = 13,429,305,977.95
  5. Step 5: Solve for x
    x = 13,429,305,977.95/187,891.08
  6. Step 6: Final answer
    x = 71,473.89

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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.