Home / 120,260.64-180,453.18-87,253.14

Finding the Fourth Proportional to 120,260.64, 180,453.18 and 87,253.14

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Solution

The fourth proportional to 120,260.64, 180,453.18 and 87,253.14 is: 130,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.64 : 180,453.18 = 87,253.14 : x
  2. Step 2: Convert to fraction form
    120,260.64/180,453.18 = 87,253.14/x
  3. Step 3: Cross multiply
    120,260.64x = 180,453.18 × 87,253.14
  4. Step 4: Simplify right side
    120,260.64x = 15,745,106,141.72
  5. Step 5: Solve for x
    x = 15,745,106,141.72/120,260.64
  6. Step 6: Final answer
    x = 130,924.85

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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.