Home / 131,424.77-181,366.00-74,836.14

Finding the Fourth Proportional to 131,424.77, 181,366.00 and 74,836.14

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Solution

The fourth proportional to 131,424.77, 181,366.00 and 74,836.14 is: 103,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.77 : 181,366.00 = 74,836.14 : x
  2. Step 2: Convert to fraction form
    131,424.77/181,366.00 = 74,836.14/x
  3. Step 3: Cross multiply
    131,424.77x = 181,366.00 × 74,836.14
  4. Step 4: Simplify right side
    131,424.77x = 13,572,731,180.15
  5. Step 5: Solve for x
    x = 13,572,731,180.15/131,424.77
  6. Step 6: Final answer
    x = 103,273.77

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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.