Home / 126,142.26-174,069.42-69,549.18

Finding the Fourth Proportional to 126,142.26, 174,069.42 and 69,549.18

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Solution

The fourth proportional to 126,142.26, 174,069.42 and 69,549.18 is: 95,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,142.26 : 174,069.42 = 69,549.18 : x
  2. Step 2: Convert to fraction form
    126,142.26/174,069.42 = 69,549.18/x
  3. Step 3: Cross multiply
    126,142.26x = 174,069.42 × 69,549.18
  4. Step 4: Simplify right side
    126,142.26x = 12,106,385,424.08
  5. Step 5: Solve for x
    x = 12,106,385,424.08/126,142.26
  6. Step 6: Final answer
    x = 95,974.06

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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.