Home / 155,144.62-232,712.30-42,831.69

Finding the Fourth Proportional to 155,144.62, 232,712.30 and 42,831.69

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Solution

The fourth proportional to 155,144.62, 232,712.30 and 42,831.69 is: 64,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,144.62 : 232,712.30 = 42,831.69 : x
  2. Step 2: Convert to fraction form
    155,144.62/232,712.30 = 42,831.69/x
  3. Step 3: Cross multiply
    155,144.62x = 232,712.30 × 42,831.69
  4. Step 4: Simplify right side
    155,144.62x = 9,967,461,911.92
  5. Step 5: Solve for x
    x = 9,967,461,911.92/155,144.62
  6. Step 6: Final answer
    x = 64,246.26

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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.