Home / 101,581.42-140,205.68-67,591.33

Finding the Fourth Proportional to 101,581.42, 140,205.68 and 67,591.33

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Solution

The fourth proportional to 101,581.42, 140,205.68 and 67,591.33 is: 93,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,581.42 : 140,205.68 = 67,591.33 : x
  2. Step 2: Convert to fraction form
    101,581.42/140,205.68 = 67,591.33/x
  3. Step 3: Cross multiply
    101,581.42x = 140,205.68 × 67,591.33
  4. Step 4: Simplify right side
    101,581.42x = 9,476,688,384.75
  5. Step 5: Solve for x
    x = 9,476,688,384.75/101,581.42
  6. Step 6: Final answer
    x = 93,291.55

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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.