Home / 129,763.92-179,074.35-76,038.24

Finding the Fourth Proportional to 129,763.92, 179,074.35 and 76,038.24

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Solution

The fourth proportional to 129,763.92, 179,074.35 and 76,038.24 is: 104,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,763.92 : 179,074.35 = 76,038.24 : x
  2. Step 2: Convert to fraction form
    129,763.92/179,074.35 = 76,038.24/x
  3. Step 3: Cross multiply
    129,763.92x = 179,074.35 × 76,038.24
  4. Step 4: Simplify right side
    129,763.92x = 13,616,498,403.14
  5. Step 5: Solve for x
    x = 13,616,498,403.14/129,763.92
  6. Step 6: Final answer
    x = 104,932.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.