Home / 167,266.35-230,828.25-90,785.55

Finding the Fourth Proportional to 167,266.35, 230,828.25 and 90,785.55

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Solution

The fourth proportional to 167,266.35, 230,828.25 and 90,785.55 is: 125,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,266.35 : 230,828.25 = 90,785.55 : x
  2. Step 2: Convert to fraction form
    167,266.35/230,828.25 = 90,785.55/x
  3. Step 3: Cross multiply
    167,266.35x = 230,828.25 × 90,785.55
  4. Step 4: Simplify right side
    167,266.35x = 20,955,869,631.79
  5. Step 5: Solve for x
    x = 20,955,869,631.79/167,266.35
  6. Step 6: Final answer
    x = 125,284.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.