Home / 126,310.08-174,309.12-69,720.24

Finding the Fourth Proportional to 126,310.08, 174,309.12 and 69,720.24

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Solution

The fourth proportional to 126,310.08, 174,309.12 and 69,720.24 is: 96,214.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,310.08 : 174,309.12 = 69,720.24 : x
  2. Step 2: Convert to fraction form
    126,310.08/174,309.12 = 69,720.24/x
  3. Step 3: Cross multiply
    126,310.08x = 174,309.12 × 69,720.24
  4. Step 4: Simplify right side
    126,310.08x = 12,152,873,680.59
  5. Step 5: Solve for x
    x = 12,152,873,680.59/126,310.08
  6. Step 6: Final answer
    x = 96,214.60

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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.