Home / 90,854.88-136,304.24-28,525.36

Finding the Fourth Proportional to 90,854.88, 136,304.24 and 28,525.36

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Solution

The fourth proportional to 90,854.88, 136,304.24 and 28,525.36 is: 42,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,854.88 : 136,304.24 = 28,525.36 : x
  2. Step 2: Convert to fraction form
    90,854.88/136,304.24 = 28,525.36/x
  3. Step 3: Cross multiply
    90,854.88x = 136,304.24 × 28,525.36
  4. Step 4: Simplify right side
    90,854.88x = 3,888,127,515.53
  5. Step 5: Solve for x
    x = 3,888,127,515.53/90,854.88
  6. Step 6: Final answer
    x = 42,794.92

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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.