Home / 155,144.47-232,712.07-42,831.54

Finding the Fourth Proportional to 155,144.47, 232,712.07 and 42,831.54

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Solution

The fourth proportional to 155,144.47, 232,712.07 and 42,831.54 is: 64,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,144.47 : 232,712.07 = 42,831.54 : x
  2. Step 2: Convert to fraction form
    155,144.47/232,712.07 = 42,831.54/x
  3. Step 3: Cross multiply
    155,144.47x = 232,712.07 × 42,831.54
  4. Step 4: Simplify right side
    155,144.47x = 9,967,414,956.97
  5. Step 5: Solve for x
    x = 9,967,414,956.97/155,144.47
  6. Step 6: Final answer
    x = 64,246.02

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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.