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Finding the Fourth Proportional to 157,299.71, 235,752.53 and 123,887.81

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Solution

The fourth proportional to 157,299.71, 235,752.53 and 123,887.81 is: 185,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,299.71 : 235,752.53 = 123,887.81 : x
  2. Step 2: Convert to fraction form
    157,299.71/235,752.53 = 123,887.81/x
  3. Step 3: Cross multiply
    157,299.71x = 235,752.53 × 123,887.81
  4. Step 4: Simplify right side
    157,299.71x = 29,206,864,613.60
  5. Step 5: Solve for x
    x = 29,206,864,613.60/157,299.71
  6. Step 6: Final answer
    x = 185,676.54

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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.