Home / 161,637.80-242,456.78-43,306.12

Finding the Fourth Proportional to 161,637.80, 242,456.78 and 43,306.12

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Solution

The fourth proportional to 161,637.80, 242,456.78 and 43,306.12 is: 64,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,637.80 : 242,456.78 = 43,306.12 : x
  2. Step 2: Convert to fraction form
    161,637.80/242,456.78 = 43,306.12/x
  3. Step 3: Cross multiply
    161,637.80x = 242,456.78 × 43,306.12
  4. Step 4: Simplify right side
    161,637.80x = 10,499,862,409.49
  5. Step 5: Solve for x
    x = 10,499,862,409.49/161,637.80
  6. Step 6: Final answer
    x = 64,959.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.