Home / 260,830.12-391,261.86-73,856.20

Finding the Fourth Proportional to 260,830.12, 391,261.86 and 73,856.20

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Solution

The fourth proportional to 260,830.12, 391,261.86 and 73,856.20 is: 110,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,830.12 : 391,261.86 = 73,856.20 : x
  2. Step 2: Convert to fraction form
    260,830.12/391,261.86 = 73,856.20/x
  3. Step 3: Cross multiply
    260,830.12x = 391,261.86 × 73,856.20
  4. Step 4: Simplify right side
    260,830.12x = 28,897,114,184.53
  5. Step 5: Solve for x
    x = 28,897,114,184.53/260,830.12
  6. Step 6: Final answer
    x = 110,789.02

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1.5x scale

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.