Home / 91,523.14-126,213.21-71,372.67

Finding the Fourth Proportional to 91,523.14, 126,213.21 and 71,372.67

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Solution

The fourth proportional to 91,523.14, 126,213.21 and 71,372.67 is: 98,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,523.14 : 126,213.21 = 71,372.67 : x
  2. Step 2: Convert to fraction form
    91,523.14/126,213.21 = 71,372.67/x
  3. Step 3: Cross multiply
    91,523.14x = 126,213.21 × 71,372.67
  4. Step 4: Simplify right side
    91,523.14x = 9,008,173,869.38
  5. Step 5: Solve for x
    x = 9,008,173,869.38/91,523.14
  6. Step 6: Final answer
    x = 98,425.10

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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.