Home / 181,470.30-272,205.45-55,110.30

Finding the Fourth Proportional to 181,470.30, 272,205.45 and 55,110.30

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Solution

The fourth proportional to 181,470.30, 272,205.45 and 55,110.30 is: 82,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.30 : 272,205.45 = 55,110.30 : x
  2. Step 2: Convert to fraction form
    181,470.30/272,205.45 = 55,110.30/x
  3. Step 3: Cross multiply
    181,470.30x = 272,205.45 × 55,110.30
  4. Step 4: Simplify right side
    181,470.30x = 15,001,324,011.14
  5. Step 5: Solve for x
    x = 15,001,324,011.14/181,470.30
  6. Step 6: Final answer
    x = 82,665.45

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1.5x scale

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.