Home / 131,715.60-181,924.20-104,948.88

Finding the Fourth Proportional to 131,715.60, 181,924.20 and 104,948.88

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Solution

The fourth proportional to 131,715.60, 181,924.20 and 104,948.88 is: 144,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,715.60 : 181,924.20 = 104,948.88 : x
  2. Step 2: Convert to fraction form
    131,715.60/181,924.20 = 104,948.88/x
  3. Step 3: Cross multiply
    131,715.60x = 181,924.20 × 104,948.88
  4. Step 4: Simplify right side
    131,715.60x = 19,092,741,034.90
  5. Step 5: Solve for x
    x = 19,092,741,034.90/131,715.60
  6. Step 6: Final answer
    x = 144,954.29

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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.