Home / 170,234.32-255,265.68-99,180.40

Finding the Fourth Proportional to 170,234.32, 255,265.68 and 99,180.40

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Solution

The fourth proportional to 170,234.32, 255,265.68 and 99,180.40 is: 148,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,234.32 : 255,265.68 = 99,180.40 : x
  2. Step 2: Convert to fraction form
    170,234.32/255,265.68 = 99,180.40/x
  3. Step 3: Cross multiply
    170,234.32x = 255,265.68 × 99,180.40
  4. Step 4: Simplify right side
    170,234.32x = 25,317,352,248.67
  5. Step 5: Solve for x
    x = 25,317,352,248.67/170,234.32
  6. Step 6: Final answer
    x = 148,720.61

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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.