Home / 126,678.38-174,824.28-72,962.24

Finding the Fourth Proportional to 126,678.38, 174,824.28 and 72,962.24

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Solution

The fourth proportional to 126,678.38, 174,824.28 and 72,962.24 is: 100,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,678.38 : 174,824.28 = 72,962.24 : x
  2. Step 2: Convert to fraction form
    126,678.38/174,824.28 = 72,962.24/x
  3. Step 3: Cross multiply
    126,678.38x = 174,824.28 × 72,962.24
  4. Step 4: Simplify right side
    126,678.38x = 12,755,570,201.07
  5. Step 5: Solve for x
    x = 12,755,570,201.07/126,678.38
  6. Step 6: Final answer
    x = 100,692.56

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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.