Home / 115,651.30-173,358.76-65,625.72

Finding the Fourth Proportional to 115,651.30, 173,358.76 and 65,625.72

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Solution

The fourth proportional to 115,651.30, 173,358.76 and 65,625.72 is: 98,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651.30 : 173,358.76 = 65,625.72 : x
  2. Step 2: Convert to fraction form
    115,651.30/173,358.76 = 65,625.72/x
  3. Step 3: Cross multiply
    115,651.30x = 173,358.76 × 65,625.72
  4. Step 4: Simplify right side
    115,651.30x = 11,376,793,443.31
  5. Step 5: Solve for x
    x = 11,376,793,443.31/115,651.30
  6. Step 6: Final answer
    x = 98,371.51

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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.