Home / 124,212.76-186,322.20-45,326.96

Finding the Fourth Proportional to 124,212.76, 186,322.20 and 45,326.96

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Solution

The fourth proportional to 124,212.76, 186,322.20 and 45,326.96 is: 67,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.76 : 186,322.20 = 45,326.96 : x
  2. Step 2: Convert to fraction form
    124,212.76/186,322.20 = 45,326.96/x
  3. Step 3: Cross multiply
    124,212.76x = 186,322.20 × 45,326.96
  4. Step 4: Simplify right side
    124,212.76x = 8,445,418,503.63
  5. Step 5: Solve for x
    x = 8,445,418,503.63/124,212.76
  6. Step 6: Final answer
    x = 67,991.55

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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.