Home / 131,810.59-181,891.27-74,461.68

Finding the Fourth Proportional to 131,810.59, 181,891.27 and 74,461.68

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Solution

The fourth proportional to 131,810.59, 181,891.27 and 74,461.68 is: 102,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,810.59 : 181,891.27 = 74,461.68 : x
  2. Step 2: Convert to fraction form
    131,810.59/181,891.27 = 74,461.68/x
  3. Step 3: Cross multiply
    131,810.59x = 181,891.27 × 74,461.68
  4. Step 4: Simplify right side
    131,810.59x = 13,543,929,634.61
  5. Step 5: Solve for x
    x = 13,543,929,634.61/131,810.59
  6. Step 6: Final answer
    x = 102,752.97

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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.