Home / 126,253.90-174,156.91-80,915.77

Finding the Fourth Proportional to 126,253.90, 174,156.91 and 80,915.77

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Solution

The fourth proportional to 126,253.90, 174,156.91 and 80,915.77 is: 111,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253.90 : 174,156.91 = 80,915.77 : x
  2. Step 2: Convert to fraction form
    126,253.90/174,156.91 = 80,915.77/x
  3. Step 3: Cross multiply
    126,253.90x = 174,156.91 × 80,915.77
  4. Step 4: Simplify right side
    126,253.90x = 14,092,040,473.47
  5. Step 5: Solve for x
    x = 14,092,040,473.47/126,253.90
  6. Step 6: Final answer
    x = 111,616.67

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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.