Home / 136,206.10-204,265.18-49,639.65

Finding the Fourth Proportional to 136,206.10, 204,265.18 and 49,639.65

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Solution

The fourth proportional to 136,206.10, 204,265.18 and 49,639.65 is: 74,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,206.10 : 204,265.18 = 49,639.65 : x
  2. Step 2: Convert to fraction form
    136,206.10/204,265.18 = 49,639.65/x
  3. Step 3: Cross multiply
    136,206.10x = 204,265.18 × 49,639.65
  4. Step 4: Simplify right side
    136,206.10x = 10,139,652,042.39
  5. Step 5: Solve for x
    x = 10,139,652,042.39/136,206.10
  6. Step 6: Final answer
    x = 74,443.45

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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.