Home / 147,234.88-220,867.64-40,618.84

Finding the Fourth Proportional to 147,234.88, 220,867.64 and 40,618.84

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Solution

The fourth proportional to 147,234.88, 220,867.64 and 40,618.84 is: 60,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,234.88 : 220,867.64 = 40,618.84 : x
  2. Step 2: Convert to fraction form
    147,234.88/220,867.64 = 40,618.84/x
  3. Step 3: Cross multiply
    147,234.88x = 220,867.64 × 40,618.84
  4. Step 4: Simplify right side
    147,234.88x = 8,971,387,330.34
  5. Step 5: Solve for x
    x = 8,971,387,330.34/147,234.88
  6. Step 6: Final answer
    x = 60,932.49

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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.