Home / 170,212.20-234,890.85-93,729.70

Finding the Fourth Proportional to 170,212.20, 234,890.85 and 93,729.70

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Solution

The fourth proportional to 170,212.20, 234,890.85 and 93,729.70 is: 129,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,212.20 : 234,890.85 = 93,729.70 : x
  2. Step 2: Convert to fraction form
    170,212.20/234,890.85 = 93,729.70/x
  3. Step 3: Cross multiply
    170,212.20x = 234,890.85 × 93,729.70
  4. Step 4: Simplify right side
    170,212.20x = 22,016,248,903.25
  5. Step 5: Solve for x
    x = 22,016,248,903.25/170,212.20
  6. Step 6: Final answer
    x = 129,345.89

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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.