Home / 127,431.18-175,859.55-70,074.90

Finding the Fourth Proportional to 127,431.18, 175,859.55 and 70,074.90

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Solution

The fourth proportional to 127,431.18, 175,859.55 and 70,074.90 is: 96,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.18 : 175,859.55 = 70,074.90 : x
  2. Step 2: Convert to fraction form
    127,431.18/175,859.55 = 70,074.90/x
  3. Step 3: Cross multiply
    127,431.18x = 175,859.55 × 70,074.90
  4. Step 4: Simplify right side
    127,431.18x = 12,323,340,380.30
  5. Step 5: Solve for x
    x = 12,323,340,380.30/127,431.18
  6. Step 6: Final answer
    x = 96,705.85

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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.