Home / 91,909.18-126,885.99-73,713.34

Finding the Fourth Proportional to 91,909.18, 126,885.99 and 73,713.34

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Solution

The fourth proportional to 91,909.18, 126,885.99 and 73,713.34 is: 101,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,909.18 : 126,885.99 = 73,713.34 : x
  2. Step 2: Convert to fraction form
    91,909.18/126,885.99 = 73,713.34/x
  3. Step 3: Cross multiply
    91,909.18x = 126,885.99 × 73,713.34
  4. Step 4: Simplify right side
    91,909.18x = 9,353,190,122.11
  5. Step 5: Solve for x
    x = 9,353,190,122.11/91,909.18
  6. Step 6: Final answer
    x = 101,765.57

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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.