Home / 136,536.68-204,815.28-43,040

Finding the Fourth Proportional to 136,536.68, 204,815.28 and 43,040

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Solution

The fourth proportional to 136,536.68, 204,815.28 and 43,040 is: 64,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,536.68 : 204,815.28 = 43,040 : x
  2. Step 2: Convert to fraction form
    136,536.68/204,815.28 = 43,040/x
  3. Step 3: Cross multiply
    136,536.68x = 204,815.28 × 43,040
  4. Step 4: Simplify right side
    136,536.68x = 8,815,249,651.20
  5. Step 5: Solve for x
    x = 8,815,249,651.20/136,536.68
  6. Step 6: Final answer
    x = 64,563.23

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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.