Home / 97,217.28-145,825.98-55,635.12

Finding the Fourth Proportional to 97,217.28, 145,825.98 and 55,635.12

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Solution

The fourth proportional to 97,217.28, 145,825.98 and 55,635.12 is: 83,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,217.28 : 145,825.98 = 55,635.12 : x
  2. Step 2: Convert to fraction form
    97,217.28/145,825.98 = 55,635.12/x
  3. Step 3: Cross multiply
    97,217.28x = 145,825.98 × 55,635.12
  4. Step 4: Simplify right side
    97,217.28x = 8,113,045,896.42
  5. Step 5: Solve for x
    x = 8,113,045,896.42/97,217.28
  6. Step 6: Final answer
    x = 83,452.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.