Home / 170,742.60-255,941.10-100,585.80

Finding the Fourth Proportional to 170,742.60, 255,941.10 and 100,585.80

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Solution

The fourth proportional to 170,742.60, 255,941.10 and 100,585.80 is: 150,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.60 : 255,941.10 = 100,585.80 : x
  2. Step 2: Convert to fraction form
    170,742.60/255,941.10 = 100,585.80/x
  3. Step 3: Cross multiply
    170,742.60x = 255,941.10 × 100,585.80
  4. Step 4: Simplify right side
    170,742.60x = 25,744,040,296.38
  5. Step 5: Solve for x
    x = 25,744,040,296.38/170,742.60
  6. Step 6: Final answer
    x = 150,776.90

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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.