Home / 170,899.20-256,348.80-52,570.35

Finding the Fourth Proportional to 170,899.20, 256,348.80 and 52,570.35

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Solution

The fourth proportional to 170,899.20, 256,348.80 and 52,570.35 is: 78,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,899.20 : 256,348.80 = 52,570.35 : x
  2. Step 2: Convert to fraction form
    170,899.20/256,348.80 = 52,570.35/x
  3. Step 3: Cross multiply
    170,899.20x = 256,348.80 × 52,570.35
  4. Step 4: Simplify right side
    170,899.20x = 13,476,346,138.08
  5. Step 5: Solve for x
    x = 13,476,346,138.08/170,899.20
  6. Step 6: Final answer
    x = 78,855.53

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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.