Home / 170,231.40-255,347.10-51,902.55

Finding the Fourth Proportional to 170,231.40, 255,347.10 and 51,902.55

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Solution

The fourth proportional to 170,231.40, 255,347.10 and 51,902.55 is: 77,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,231.40 : 255,347.10 = 51,902.55 : x
  2. Step 2: Convert to fraction form
    170,231.40/255,347.10 = 51,902.55/x
  3. Step 3: Cross multiply
    170,231.40x = 255,347.10 × 51,902.55
  4. Step 4: Simplify right side
    170,231.40x = 13,253,165,625.11
  5. Step 5: Solve for x
    x = 13,253,165,625.11/170,231.40
  6. Step 6: Final answer
    x = 77,853.83

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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.