Home / 166,319.07-229,521.02-90,869.19

Finding the Fourth Proportional to 166,319.07, 229,521.02 and 90,869.19

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Solution

The fourth proportional to 166,319.07, 229,521.02 and 90,869.19 is: 125,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,319.07 : 229,521.02 = 90,869.19 : x
  2. Step 2: Convert to fraction form
    166,319.07/229,521.02 = 90,869.19/x
  3. Step 3: Cross multiply
    166,319.07x = 229,521.02 × 90,869.19
  4. Step 4: Simplify right side
    166,319.07x = 20,856,389,175.37
  5. Step 5: Solve for x
    x = 20,856,389,175.37/166,319.07
  6. Step 6: Final answer
    x = 125,399.87

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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.