Home / 115,443.40-173,078.70-62,912.20

Finding the Fourth Proportional to 115,443.40, 173,078.70 and 62,912.20

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Solution

The fourth proportional to 115,443.40, 173,078.70 and 62,912.20 is: 94,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443.40 : 173,078.70 = 62,912.20 : x
  2. Step 2: Convert to fraction form
    115,443.40/173,078.70 = 62,912.20/x
  3. Step 3: Cross multiply
    115,443.40x = 173,078.70 × 62,912.20
  4. Step 4: Simplify right side
    115,443.40x = 10,888,761,790.14
  5. Step 5: Solve for x
    x = 10,888,761,790.14/115,443.40
  6. Step 6: Final answer
    x = 94,321.22

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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.