Home / 175,292.20-262,938.30-70,186.60

Finding the Fourth Proportional to 175,292.20, 262,938.30 and 70,186.60

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Solution

The fourth proportional to 175,292.20, 262,938.30 and 70,186.60 is: 105,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,292.20 : 262,938.30 = 70,186.60 : x
  2. Step 2: Convert to fraction form
    175,292.20/262,938.30 = 70,186.60/x
  3. Step 3: Cross multiply
    175,292.20x = 262,938.30 × 70,186.60
  4. Step 4: Simplify right side
    175,292.20x = 18,454,745,286.78
  5. Step 5: Solve for x
    x = 18,454,745,286.78/175,292.20
  6. Step 6: Final answer
    x = 105,279.90

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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.