Home / 121,052.87-181,580.21-42,166.97

Finding the Fourth Proportional to 121,052.87, 181,580.21 and 42,166.97

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Solution

The fourth proportional to 121,052.87, 181,580.21 and 42,166.97 is: 63,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,052.87 : 181,580.21 = 42,166.97 : x
  2. Step 2: Convert to fraction form
    121,052.87/181,580.21 = 42,166.97/x
  3. Step 3: Cross multiply
    121,052.87x = 181,580.21 × 42,166.97
  4. Step 4: Simplify right side
    121,052.87x = 7,656,687,267.66
  5. Step 5: Solve for x
    x = 7,656,687,267.66/121,052.87
  6. Step 6: Final answer
    x = 63,250.77

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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.