Home / 126,918.24-175,144.56-70,329.12

Finding the Fourth Proportional to 126,918.24, 175,144.56 and 70,329.12

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Solution

The fourth proportional to 126,918.24, 175,144.56 and 70,329.12 is: 97,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918.24 : 175,144.56 = 70,329.12 : x
  2. Step 2: Convert to fraction form
    126,918.24/175,144.56 = 70,329.12/x
  3. Step 3: Cross multiply
    126,918.24x = 175,144.56 × 70,329.12
  4. Step 4: Simplify right side
    126,918.24x = 12,317,762,777.59
  5. Step 5: Solve for x
    x = 12,317,762,777.59/126,918.24
  6. Step 6: Final answer
    x = 97,052.74

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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.