Home / 181,947.60-272,824.20-76,647.60

Finding the Fourth Proportional to 181,947.60, 272,824.20 and 76,647.60

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Solution

The fourth proportional to 181,947.60, 272,824.20 and 76,647.60 is: 114,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,947.60 : 272,824.20 = 76,647.60 : x
  2. Step 2: Convert to fraction form
    181,947.60/272,824.20 = 76,647.60/x
  3. Step 3: Cross multiply
    181,947.60x = 272,824.20 × 76,647.60
  4. Step 4: Simplify right side
    181,947.60x = 20,911,320,151.92
  5. Step 5: Solve for x
    x = 20,911,320,151.92/181,947.60
  6. Step 6: Final answer
    x = 114,930.45

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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.