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Finding the Fourth Proportional to 157,301.71, 235,755.52 and 123,889.81

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Solution

The fourth proportional to 157,301.71, 235,755.52 and 123,889.81 is: 185,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,301.71 : 235,755.52 = 123,889.81 : x
  2. Step 2: Convert to fraction form
    157,301.71/235,755.52 = 123,889.81/x
  3. Step 3: Cross multiply
    157,301.71x = 235,755.52 × 123,889.81
  4. Step 4: Simplify right side
    157,301.71x = 29,207,706,579.25
  5. Step 5: Solve for x
    x = 29,207,706,579.25/157,301.71
  6. Step 6: Final answer
    x = 185,679.52

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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.