Home / 151,812.26-227,156.43-121,734.52

Finding the Fourth Proportional to 151,812.26, 227,156.43 and 121,734.52

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Solution

The fourth proportional to 151,812.26, 227,156.43 and 121,734.52 is: 182,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,812.26 : 227,156.43 = 121,734.52 : x
  2. Step 2: Convert to fraction form
    151,812.26/227,156.43 = 121,734.52/x
  3. Step 3: Cross multiply
    151,812.26x = 227,156.43 × 121,734.52
  4. Step 4: Simplify right side
    151,812.26x = 27,652,778,970.96
  5. Step 5: Solve for x
    x = 27,652,778,970.96/151,812.26
  6. Step 6: Final answer
    x = 182,151.16

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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.