Home / 126,468.06-174,520.32-69,878.22

Finding the Fourth Proportional to 126,468.06, 174,520.32 and 69,878.22

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Solution

The fourth proportional to 126,468.06, 174,520.32 and 69,878.22 is: 96,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,468.06 : 174,520.32 = 69,878.22 : x
  2. Step 2: Convert to fraction form
    126,468.06/174,520.32 = 69,878.22/x
  3. Step 3: Cross multiply
    126,468.06x = 174,520.32 × 69,878.22
  4. Step 4: Simplify right side
    126,468.06x = 12,195,169,315.43
  5. Step 5: Solve for x
    x = 12,195,169,315.43/126,468.06
  6. Step 6: Final answer
    x = 96,428.85

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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.