Home / 172,831.10-259,246.65-141,338.30

Finding the Fourth Proportional to 172,831.10, 259,246.65 and 141,338.30

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Solution

The fourth proportional to 172,831.10, 259,246.65 and 141,338.30 is: 212,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,831.10 : 259,246.65 = 141,338.30 : x
  2. Step 2: Convert to fraction form
    172,831.10/259,246.65 = 141,338.30/x
  3. Step 3: Cross multiply
    172,831.10x = 259,246.65 × 141,338.30
  4. Step 4: Simplify right side
    172,831.10x = 36,641,480,791.70
  5. Step 5: Solve for x
    x = 36,641,480,791.70/172,831.10
  6. Step 6: Final answer
    x = 212,007.45

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1.5x scale

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.