Home / 178,789.12-246,728.05-97,116.72

Finding the Fourth Proportional to 178,789.12, 246,728.05 and 97,116.72

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Solution

The fourth proportional to 178,789.12, 246,728.05 and 97,116.72 is: 134,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,789.12 : 246,728.05 = 97,116.72 : x
  2. Step 2: Convert to fraction form
    178,789.12/246,728.05 = 97,116.72/x
  3. Step 3: Cross multiply
    178,789.12x = 246,728.05 × 97,116.72
  4. Step 4: Simplify right side
    178,789.12x = 23,961,418,948.00
  5. Step 5: Solve for x
    x = 23,961,418,948.00/178,789.12
  6. Step 6: Final answer
    x = 134,020.57

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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.