Home / 125,715.42-173,480.04-69,126.84

Finding the Fourth Proportional to 125,715.42, 173,480.04 and 69,126.84

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Solution

The fourth proportional to 125,715.42, 173,480.04 and 69,126.84 is: 95,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,715.42 : 173,480.04 = 69,126.84 : x
  2. Step 2: Convert to fraction form
    125,715.42/173,480.04 = 69,126.84/x
  3. Step 3: Cross multiply
    125,715.42x = 173,480.04 × 69,126.84
  4. Step 4: Simplify right side
    125,715.42x = 11,992,126,968.27
  5. Step 5: Solve for x
    x = 11,992,126,968.27/125,715.42
  6. Step 6: Final answer
    x = 95,391.06

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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.