Home / 170,712.90-255,486.15-149,717.70

Finding the Fourth Proportional to 170,712.90, 255,486.15 and 149,717.70

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Solution

The fourth proportional to 170,712.90, 255,486.15 and 149,717.70 is: 224,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,712.90 : 255,486.15 = 149,717.70 : x
  2. Step 2: Convert to fraction form
    170,712.90/255,486.15 = 149,717.70/x
  3. Step 3: Cross multiply
    170,712.90x = 255,486.15 × 149,717.70
  4. Step 4: Simplify right side
    170,712.90x = 38,250,798,759.86
  5. Step 5: Solve for x
    x = 38,250,798,759.86/170,712.90
  6. Step 6: Final answer
    x = 224,065.08

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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.