Home / 97,546.02-146,308.38-66,157.72

Finding the Fourth Proportional to 97,546.02, 146,308.38 and 66,157.72

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Solution

The fourth proportional to 97,546.02, 146,308.38 and 66,157.72 is: 99,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,546.02 : 146,308.38 = 66,157.72 : x
  2. Step 2: Convert to fraction form
    97,546.02/146,308.38 = 66,157.72/x
  3. Step 3: Cross multiply
    97,546.02x = 146,308.38 × 66,157.72
  4. Step 4: Simplify right side
    97,546.02x = 9,679,428,837.69
  5. Step 5: Solve for x
    x = 9,679,428,837.69/97,546.02
  6. Step 6: Final answer
    x = 99,229.36

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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.