Home / 104,125.32-143,585.54-89,067.82

Finding the Fourth Proportional to 104,125.32, 143,585.54 and 89,067.82

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Solution

The fourth proportional to 104,125.32, 143,585.54 and 89,067.82 is: 122,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.32 : 143,585.54 = 89,067.82 : x
  2. Step 2: Convert to fraction form
    104,125.32/143,585.54 = 89,067.82/x
  3. Step 3: Cross multiply
    104,125.32x = 143,585.54 × 89,067.82
  4. Step 4: Simplify right side
    104,125.32x = 12,788,851,031.32
  5. Step 5: Solve for x
    x = 12,788,851,031.32/104,125.32
  6. Step 6: Final answer
    x = 122,821.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.