Home / 131,659.13-181,694.27-74,312.41

Finding the Fourth Proportional to 131,659.13, 181,694.27 and 74,312.41

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Solution

The fourth proportional to 131,659.13, 181,694.27 and 74,312.41 is: 102,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659.13 : 181,694.27 = 74,312.41 : x
  2. Step 2: Convert to fraction form
    131,659.13/181,694.27 = 74,312.41/x
  3. Step 3: Cross multiply
    131,659.13x = 181,694.27 × 74,312.41
  4. Step 4: Simplify right side
    131,659.13x = 13,502,139,086.89
  5. Step 5: Solve for x
    x = 13,502,139,086.89/131,659.13
  6. Step 6: Final answer
    x = 102,553.76

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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.