Home / 123,857.04-185,726.96-47,991.09

Finding the Fourth Proportional to 123,857.04, 185,726.96 and 47,991.09

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Solution

The fourth proportional to 123,857.04, 185,726.96 and 47,991.09 is: 71,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,857.04 : 185,726.96 = 47,991.09 : x
  2. Step 2: Convert to fraction form
    123,857.04/185,726.96 = 47,991.09/x
  3. Step 3: Cross multiply
    123,857.04x = 185,726.96 × 47,991.09
  4. Step 4: Simplify right side
    123,857.04x = 8,913,238,084.20
  5. Step 5: Solve for x
    x = 8,913,238,084.20/123,857.04
  6. Step 6: Final answer
    x = 71,963.92

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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.