Home / 110,725.99-152,888.92-89,147.18

Finding the Fourth Proportional to 110,725.99, 152,888.92 and 89,147.18

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Solution

The fourth proportional to 110,725.99, 152,888.92 and 89,147.18 is: 123,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,725.99 : 152,888.92 = 89,147.18 : x
  2. Step 2: Convert to fraction form
    110,725.99/152,888.92 = 89,147.18/x
  3. Step 3: Cross multiply
    110,725.99x = 152,888.92 × 89,147.18
  4. Step 4: Simplify right side
    110,725.99x = 13,629,616,230.60
  5. Step 5: Solve for x
    x = 13,629,616,230.60/110,725.99
  6. Step 6: Final answer
    x = 123,093.20

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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.