Home / 124,912.11-187,370.60-45,985.71

Finding the Fourth Proportional to 124,912.11, 187,370.60 and 45,985.71

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Solution

The fourth proportional to 124,912.11, 187,370.60 and 45,985.71 is: 68,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.11 : 187,370.60 = 45,985.71 : x
  2. Step 2: Convert to fraction form
    124,912.11/187,370.60 = 45,985.71/x
  3. Step 3: Cross multiply
    124,912.11x = 187,370.60 × 45,985.71
  4. Step 4: Simplify right side
    124,912.11x = 8,616,370,074.13
  5. Step 5: Solve for x
    x = 8,616,370,074.13/124,912.11
  6. Step 6: Final answer
    x = 68,979.46

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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.