Home / 119,928.75-165,347.84-98,338.95

Finding the Fourth Proportional to 119,928.75, 165,347.84 and 98,338.95

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Solution

The fourth proportional to 119,928.75, 165,347.84 and 98,338.95 is: 135,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,928.75 : 165,347.84 = 98,338.95 : x
  2. Step 2: Convert to fraction form
    119,928.75/165,347.84 = 98,338.95/x
  3. Step 3: Cross multiply
    119,928.75x = 165,347.84 × 98,338.95
  4. Step 4: Simplify right side
    119,928.75x = 16,260,132,478.67
  5. Step 5: Solve for x
    x = 16,260,132,478.67/119,928.75
  6. Step 6: Final answer
    x = 135,581.61

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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.