Home / 185,765.40-278,560.26-71,966.52

Finding the Fourth Proportional to 185,765.40, 278,560.26 and 71,966.52

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Solution

The fourth proportional to 185,765.40, 278,560.26 and 71,966.52 is: 107,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,765.40 : 278,560.26 = 71,966.52 : x
  2. Step 2: Convert to fraction form
    185,765.40/278,560.26 = 71,966.52/x
  3. Step 3: Cross multiply
    185,765.40x = 278,560.26 × 71,966.52
  4. Step 4: Simplify right side
    185,765.40x = 20,047,012,522.50
  5. Step 5: Solve for x
    x = 20,047,012,522.50/185,765.40
  6. Step 6: Final answer
    x = 107,915.75

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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.