Home / 113,324.60-169,641.30-66,438.20

Finding the Fourth Proportional to 113,324.60, 169,641.30 and 66,438.20

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Solution

The fourth proportional to 113,324.60, 169,641.30 and 66,438.20 is: 99,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,324.60 : 169,641.30 = 66,438.20 : x
  2. Step 2: Convert to fraction form
    113,324.60/169,641.30 = 66,438.20/x
  3. Step 3: Cross multiply
    113,324.60x = 169,641.30 × 66,438.20
  4. Step 4: Simplify right side
    113,324.60x = 11,270,662,617.66
  5. Step 5: Solve for x
    x = 11,270,662,617.66/113,324.60
  6. Step 6: Final answer
    x = 99,454.69

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1.5x scale

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.