Home / 104,125.07-143,585.20-89,067.58

Finding the Fourth Proportional to 104,125.07, 143,585.20 and 89,067.58

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Solution

The fourth proportional to 104,125.07, 143,585.20 and 89,067.58 is: 122,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,125.07 : 143,585.20 = 89,067.58 : x
  2. Step 2: Convert to fraction form
    104,125.07/143,585.20 = 89,067.58/x
  3. Step 3: Cross multiply
    104,125.07x = 143,585.20 × 89,067.58
  4. Step 4: Simplify right side
    104,125.07x = 12,788,785,706.18
  5. Step 5: Solve for x
    x = 12,788,785,706.18/104,125.07
  6. Step 6: Final answer
    x = 122,821.39

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1.5x scale

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.