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Finding the Fourth Proportional to 155,470.20, 232,859.70 and 134,734.20

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Solution

The fourth proportional to 155,470.20, 232,859.70 and 134,734.20 is: 201,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,470.20 : 232,859.70 = 134,734.20 : x
  2. Step 2: Convert to fraction form
    155,470.20/232,859.70 = 134,734.20/x
  3. Step 3: Cross multiply
    155,470.20x = 232,859.70 × 134,734.20
  4. Step 4: Simplify right side
    155,470.20x = 31,374,165,391.74
  5. Step 5: Solve for x
    x = 31,374,165,391.74/155,470.20
  6. Step 6: Final answer
    x = 201,801.79

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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.