Home / 170,809.20-256,213.80-52,480.35

Finding the Fourth Proportional to 170,809.20, 256,213.80 and 52,480.35

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Solution

The fourth proportional to 170,809.20, 256,213.80 and 52,480.35 is: 78,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809.20 : 256,213.80 = 52,480.35 : x
  2. Step 2: Convert to fraction form
    170,809.20/256,213.80 = 52,480.35/x
  3. Step 3: Cross multiply
    170,809.20x = 256,213.80 × 52,480.35
  4. Step 4: Simplify right side
    170,809.20x = 13,446,189,898.83
  5. Step 5: Solve for x
    x = 13,446,189,898.83/170,809.20
  6. Step 6: Final answer
    x = 78,720.53

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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.