Home / 121,356.48-182,116.73-42,471.39

Finding the Fourth Proportional to 121,356.48, 182,116.73 and 42,471.39

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Solution

The fourth proportional to 121,356.48, 182,116.73 and 42,471.39 is: 63,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356.48 : 182,116.73 = 42,471.39 : x
  2. Step 2: Convert to fraction form
    121,356.48/182,116.73 = 42,471.39/x
  3. Step 3: Cross multiply
    121,356.48x = 182,116.73 × 42,471.39
  4. Step 4: Simplify right side
    121,356.48x = 7,734,750,453.00
  5. Step 5: Solve for x
    x = 7,734,750,453.00/121,356.48
  6. Step 6: Final answer
    x = 63,735.78

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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.