Home / 91,713.24-126,456.24-84,911.67

Finding the Fourth Proportional to 91,713.24, 126,456.24 and 84,911.67

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Solution

The fourth proportional to 91,713.24, 126,456.24 and 84,911.67 is: 117,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713.24 : 126,456.24 = 84,911.67 : x
  2. Step 2: Convert to fraction form
    91,713.24/126,456.24 = 84,911.67/x
  3. Step 3: Cross multiply
    91,713.24x = 126,456.24 × 84,911.67
  4. Step 4: Simplify right side
    91,713.24x = 10,737,610,520.32
  5. Step 5: Solve for x
    x = 10,737,610,520.32/91,713.24
  6. Step 6: Final answer
    x = 117,078.09

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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.