Home / 126,985.32-175,230.60-69,615.48

Finding the Fourth Proportional to 126,985.32, 175,230.60 and 69,615.48

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Solution

The fourth proportional to 126,985.32, 175,230.60 and 69,615.48 is: 96,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.32 : 175,230.60 = 69,615.48 : x
  2. Step 2: Convert to fraction form
    126,985.32/175,230.60 = 69,615.48/x
  3. Step 3: Cross multiply
    126,985.32x = 175,230.60 × 69,615.48
  4. Step 4: Simplify right side
    126,985.32x = 12,198,762,329.69
  5. Step 5: Solve for x
    x = 12,198,762,329.69/126,985.32
  6. Step 6: Final answer
    x = 96,064.35

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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.