Home / 121,044.70-181,584.06-42,147.46

Finding the Fourth Proportional to 121,044.70, 181,584.06 and 42,147.46

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Solution

The fourth proportional to 121,044.70, 181,584.06 and 42,147.46 is: 63,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044.70 : 181,584.06 = 42,147.46 : x
  2. Step 2: Convert to fraction form
    121,044.70/181,584.06 = 42,147.46/x
  3. Step 3: Cross multiply
    121,044.70x = 181,584.06 × 42,147.46
  4. Step 4: Simplify right side
    121,044.70x = 7,653,306,905.49
  5. Step 5: Solve for x
    x = 7,653,306,905.49/121,044.70
  6. Step 6: Final answer
    x = 63,227.11

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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.