Home / 166,176.70-229,322.66-90,725.20

Finding the Fourth Proportional to 166,176.70, 229,322.66 and 90,725.20

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Solution

The fourth proportional to 166,176.70, 229,322.66 and 90,725.20 is: 125,200.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,176.70 : 229,322.66 = 90,725.20 : x
  2. Step 2: Convert to fraction form
    166,176.70/229,322.66 = 90,725.20/x
  3. Step 3: Cross multiply
    166,176.70x = 229,322.66 × 90,725.20
  4. Step 4: Simplify right side
    166,176.70x = 20,805,343,166.10
  5. Step 5: Solve for x
    x = 20,805,343,166.10/166,176.70
  6. Step 6: Final answer
    x = 125,200.12

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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.