Home / 126,970.85-175,215.96-69,608.21

Finding the Fourth Proportional to 126,970.85, 175,215.96 and 69,608.21

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Solution

The fourth proportional to 126,970.85, 175,215.96 and 69,608.21 is: 96,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,970.85 : 175,215.96 = 69,608.21 : x
  2. Step 2: Convert to fraction form
    126,970.85/175,215.96 = 69,608.21/x
  3. Step 3: Cross multiply
    126,970.85x = 175,215.96 × 69,608.21
  4. Step 4: Simplify right side
    126,970.85x = 12,196,468,462.95
  5. Step 5: Solve for x
    x = 12,196,468,462.95/126,970.85
  6. Step 6: Final answer
    x = 96,057.24

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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.