Home / 170,171.42-255,257.06-70,221.74

Finding the Fourth Proportional to 170,171.42, 255,257.06 and 70,221.74

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Solution

The fourth proportional to 170,171.42, 255,257.06 and 70,221.74 is: 105,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,171.42 : 255,257.06 = 70,221.74 : x
  2. Step 2: Convert to fraction form
    170,171.42/255,257.06 = 70,221.74/x
  3. Step 3: Cross multiply
    170,171.42x = 255,257.06 × 70,221.74
  4. Step 4: Simplify right side
    170,171.42x = 17,924,593,273.09
  5. Step 5: Solve for x
    x = 17,924,593,273.09/170,171.42
  6. Step 6: Final answer
    x = 105,332.57

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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.