Home / 124,212.57-186,321.92-45,326.76

Finding the Fourth Proportional to 124,212.57, 186,321.92 and 45,326.76

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Solution

The fourth proportional to 124,212.57, 186,321.92 and 45,326.76 is: 67,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.57 : 186,321.92 = 45,326.76 : x
  2. Step 2: Convert to fraction form
    124,212.57/186,321.92 = 45,326.76/x
  3. Step 3: Cross multiply
    124,212.57x = 186,321.92 × 45,326.76
  4. Step 4: Simplify right side
    124,212.57x = 8,445,368,723.95
  5. Step 5: Solve for x
    x = 8,445,368,723.95/124,212.57
  6. Step 6: Final answer
    x = 67,991.26

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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.