Home / 119,948.60-179,634.90-64,422.20

Finding the Fourth Proportional to 119,948.60, 179,634.90 and 64,422.20

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Solution

The fourth proportional to 119,948.60, 179,634.90 and 64,422.20 is: 96,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,948.60 : 179,634.90 = 64,422.20 : x
  2. Step 2: Convert to fraction form
    119,948.60/179,634.90 = 64,422.20/x
  3. Step 3: Cross multiply
    119,948.60x = 179,634.90 × 64,422.20
  4. Step 4: Simplify right side
    119,948.60x = 11,572,475,454.78
  5. Step 5: Solve for x
    x = 11,572,475,454.78/119,948.60
  6. Step 6: Final answer
    x = 96,478.62

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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.