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Finding the Fourth Proportional to 155,701.71, 233,552.70 and 111,414.96

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Solution

The fourth proportional to 155,701.71, 233,552.70 and 111,414.96 is: 167,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,701.71 : 233,552.70 = 111,414.96 : x
  2. Step 2: Convert to fraction form
    155,701.71/233,552.70 = 111,414.96/x
  3. Step 3: Cross multiply
    155,701.71x = 233,552.70 × 111,414.96
  4. Step 4: Simplify right side
    155,701.71x = 26,021,264,728.39
  5. Step 5: Solve for x
    x = 26,021,264,728.39/155,701.71
  6. Step 6: Final answer
    x = 167,122.54

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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.