Home / 170,381.22-255,572.78-70,487.30

Finding the Fourth Proportional to 170,381.22, 255,572.78 and 70,487.30

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Solution

The fourth proportional to 170,381.22, 255,572.78 and 70,487.30 is: 105,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,381.22 : 255,572.78 = 70,487.30 : x
  2. Step 2: Convert to fraction form
    170,381.22/255,572.78 = 70,487.30/x
  3. Step 3: Cross multiply
    170,381.22x = 255,572.78 × 70,487.30
  4. Step 4: Simplify right side
    170,381.22x = 18,014,633,585.39
  5. Step 5: Solve for x
    x = 18,014,633,585.39/170,381.22
  6. Step 6: Final answer
    x = 105,731.33

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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.