Home / 136,433.12-204,599.78-52,151.60

Finding the Fourth Proportional to 136,433.12, 204,599.78 and 52,151.60

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Solution

The fourth proportional to 136,433.12, 204,599.78 and 52,151.60 is: 78,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,433.12 : 204,599.78 = 52,151.60 : x
  2. Step 2: Convert to fraction form
    136,433.12/204,599.78 = 52,151.60/x
  3. Step 3: Cross multiply
    136,433.12x = 204,599.78 × 52,151.60
  4. Step 4: Simplify right side
    136,433.12x = 10,670,205,886.65
  5. Step 5: Solve for x
    x = 10,670,205,886.65/136,433.12
  6. Step 6: Final answer
    x = 78,208.33

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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.