Home / 146,445.64-219,417.66-79,932.46

Finding the Fourth Proportional to 146,445.64, 219,417.66 and 79,932.46

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Solution

The fourth proportional to 146,445.64, 219,417.66 and 79,932.46 is: 119,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,445.64 : 219,417.66 = 79,932.46 : x
  2. Step 2: Convert to fraction form
    146,445.64/219,417.66 = 79,932.46/x
  3. Step 3: Cross multiply
    146,445.64x = 219,417.66 × 79,932.46
  4. Step 4: Simplify right side
    146,445.64x = 17,538,593,331.24
  5. Step 5: Solve for x
    x = 17,538,593,331.24/146,445.64
  6. Step 6: Final answer
    x = 119,761.80

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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.