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Finding the Fourth Proportional to 169,476.70, 233,876.67 and 94,025.20

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Solution

The fourth proportional to 169,476.70, 233,876.67 and 94,025.20 is: 129,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,476.70 : 233,876.67 = 94,025.20 : x
  2. Step 2: Convert to fraction form
    169,476.70/233,876.67 = 94,025.20/x
  3. Step 3: Cross multiply
    169,476.70x = 233,876.67 × 94,025.20
  4. Step 4: Simplify right side
    169,476.70x = 21,990,299,502.70
  5. Step 5: Solve for x
    x = 21,990,299,502.70/169,476.70
  6. Step 6: Final answer
    x = 129,754.12

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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.