Home / 97,433.28-146,140.38-66,045

Finding the Fourth Proportional to 97,433.28, 146,140.38 and 66,045

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Solution

The fourth proportional to 97,433.28, 146,140.38 and 66,045 is: 99,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,433.28 : 146,140.38 = 66,045 : x
  2. Step 2: Convert to fraction form
    97,433.28/146,140.38 = 66,045/x
  3. Step 3: Cross multiply
    97,433.28x = 146,140.38 × 66,045
  4. Step 4: Simplify right side
    97,433.28x = 9,651,841,397.10
  5. Step 5: Solve for x
    x = 9,651,841,397.10/97,433.28
  6. Step 6: Final answer
    x = 99,061.03

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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.