Home / 124,634.60-186,930.30-45,708.20

Finding the Fourth Proportional to 124,634.60, 186,930.30 and 45,708.20

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Solution

The fourth proportional to 124,634.60, 186,930.30 and 45,708.20 is: 68,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,634.60 : 186,930.30 = 45,708.20 : x
  2. Step 2: Convert to fraction form
    124,634.60/186,930.30 = 45,708.20/x
  3. Step 3: Cross multiply
    124,634.60x = 186,930.30 × 45,708.20
  4. Step 4: Simplify right side
    124,634.60x = 8,544,247,538.46
  5. Step 5: Solve for x
    x = 8,544,247,538.46/124,634.60
  6. Step 6: Final answer
    x = 68,554.38

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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.