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Finding the Fourth Proportional to 169,601.10, 254,401.65 and 99,617.10

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Solution

The fourth proportional to 169,601.10, 254,401.65 and 99,617.10 is: 149,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,601.10 : 254,401.65 = 99,617.10 : x
  2. Step 2: Convert to fraction form
    169,601.10/254,401.65 = 99,617.10/x
  3. Step 3: Cross multiply
    169,601.10x = 254,401.65 × 99,617.10
  4. Step 4: Simplify right side
    169,601.10x = 25,342,754,608.22
  5. Step 5: Solve for x
    x = 25,342,754,608.22/169,601.10
  6. Step 6: Final answer
    x = 149,425.65

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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.