Home / 155,144.61-232,712.29-42,831.68

Finding the Fourth Proportional to 155,144.61, 232,712.29 and 42,831.68

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Solution

The fourth proportional to 155,144.61, 232,712.29 and 42,831.68 is: 64,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,144.61 : 232,712.29 = 42,831.68 : x
  2. Step 2: Convert to fraction form
    155,144.61/232,712.29 = 42,831.68/x
  3. Step 3: Cross multiply
    155,144.61x = 232,712.29 × 42,831.68
  4. Step 4: Simplify right side
    155,144.61x = 9,967,458,812.05
  5. Step 5: Solve for x
    x = 9,967,458,812.05/155,144.61
  6. Step 6: Final answer
    x = 64,246.25

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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.