Home / 170,873.10-256,261.23-70,909.65

Finding the Fourth Proportional to 170,873.10, 256,261.23 and 70,909.65

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Solution

The fourth proportional to 170,873.10, 256,261.23 and 70,909.65 is: 106,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,873.10 : 256,261.23 = 70,909.65 : x
  2. Step 2: Convert to fraction form
    170,873.10/256,261.23 = 70,909.65/x
  3. Step 3: Cross multiply
    170,873.10x = 256,261.23 × 70,909.65
  4. Step 4: Simplify right side
    170,873.10x = 18,171,394,127.87
  5. Step 5: Solve for x
    x = 18,171,394,127.87/170,873.10
  6. Step 6: Final answer
    x = 106,344.38

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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.