Home / 136,282.45-204,425.48-42,788.20

Finding the Fourth Proportional to 136,282.45, 204,425.48 and 42,788.20

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Solution

The fourth proportional to 136,282.45, 204,425.48 and 42,788.20 is: 64,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.45 : 204,425.48 = 42,788.20 : x
  2. Step 2: Convert to fraction form
    136,282.45/204,425.48 = 42,788.20/x
  3. Step 3: Cross multiply
    136,282.45x = 204,425.48 × 42,788.20
  4. Step 4: Simplify right side
    136,282.45x = 8,746,998,323.34
  5. Step 5: Solve for x
    x = 8,746,998,323.34/136,282.45
  6. Step 6: Final answer
    x = 64,182.87

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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.