Home / 131,556.96-181,553.52-74,966.88

Finding the Fourth Proportional to 131,556.96, 181,553.52 and 74,966.88

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Solution

The fourth proportional to 131,556.96, 181,553.52 and 74,966.88 is: 103,457.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,556.96 : 181,553.52 = 74,966.88 : x
  2. Step 2: Convert to fraction form
    131,556.96/181,553.52 = 74,966.88/x
  3. Step 3: Cross multiply
    131,556.96x = 181,553.52 × 74,966.88
  4. Step 4: Simplify right side
    131,556.96x = 13,610,500,947.42
  5. Step 5: Solve for x
    x = 13,610,500,947.42/131,556.96
  6. Step 6: Final answer
    x = 103,457.10

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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.