Home / 136,226.04-204,073.38-76,882.20

Finding the Fourth Proportional to 136,226.04, 204,073.38 and 76,882.20

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Solution

The fourth proportional to 136,226.04, 204,073.38 and 76,882.20 is: 115,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,226.04 : 204,073.38 = 76,882.20 : x
  2. Step 2: Convert to fraction form
    136,226.04/204,073.38 = 76,882.20/x
  3. Step 3: Cross multiply
    136,226.04x = 204,073.38 × 76,882.20
  4. Step 4: Simplify right side
    136,226.04x = 15,689,610,415.84
  5. Step 5: Solve for x
    x = 15,689,610,415.84/136,226.04
  6. Step 6: Final answer
    x = 115,173.36

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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.