Home / 120,260.14-180,452.42-87,252.64

Finding the Fourth Proportional to 120,260.14, 180,452.42 and 87,252.64

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Solution

The fourth proportional to 120,260.14, 180,452.42 and 87,252.64 is: 130,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.14 : 180,452.42 = 87,252.64 : x
  2. Step 2: Convert to fraction form
    120,260.14/180,452.42 = 87,252.64/x
  3. Step 3: Cross multiply
    120,260.14x = 180,452.42 × 87,252.64
  4. Step 4: Simplify right side
    120,260.14x = 15,744,949,806.39
  5. Step 5: Solve for x
    x = 15,744,949,806.39/120,260.14
  6. Step 6: Final answer
    x = 130,924.10

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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.