Home / 170,722.80-256,122.45-52,406.10

Finding the Fourth Proportional to 170,722.80, 256,122.45 and 52,406.10

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Solution

The fourth proportional to 170,722.80, 256,122.45 and 52,406.10 is: 78,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,722.80 : 256,122.45 = 52,406.10 : x
  2. Step 2: Convert to fraction form
    170,722.80/256,122.45 = 52,406.10/x
  3. Step 3: Cross multiply
    170,722.80x = 256,122.45 × 52,406.10
  4. Step 4: Simplify right side
    170,722.80x = 13,422,378,726.95
  5. Step 5: Solve for x
    x = 13,422,378,726.95/170,722.80
  6. Step 6: Final answer
    x = 78,620.89

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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.