Home / 112,728.75-169,119.05-38,856.75

Finding the Fourth Proportional to 112,728.75, 169,119.05 and 38,856.75

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Solution

The fourth proportional to 112,728.75, 169,119.05 and 38,856.75 is: 58,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,728.75 : 169,119.05 = 38,856.75 : x
  2. Step 2: Convert to fraction form
    112,728.75/169,119.05 = 38,856.75/x
  3. Step 3: Cross multiply
    112,728.75x = 169,119.05 × 38,856.75
  4. Step 4: Simplify right side
    112,728.75x = 6,571,416,451.80
  5. Step 5: Solve for x
    x = 6,571,416,451.80/112,728.75
  6. Step 6: Final answer
    x = 58,294.06

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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.