Home / 136,306.77-204,482.35-40,253.70

Finding the Fourth Proportional to 136,306.77, 204,482.35 and 40,253.70

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Solution

The fourth proportional to 136,306.77, 204,482.35 and 40,253.70 is: 60,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,306.77 : 204,482.35 = 40,253.70 : x
  2. Step 2: Convert to fraction form
    136,306.77/204,482.35 = 40,253.70/x
  3. Step 3: Cross multiply
    136,306.77x = 204,482.35 × 40,253.70
  4. Step 4: Simplify right side
    136,306.77x = 8,231,170,784.76
  5. Step 5: Solve for x
    x = 8,231,170,784.76/136,306.77
  6. Step 6: Final answer
    x = 60,387.10

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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.