Home / 119,783.22-165,270.42-87,896.76

Finding the Fourth Proportional to 119,783.22, 165,270.42 and 87,896.76

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Solution

The fourth proportional to 119,783.22, 165,270.42 and 87,896.76 is: 121,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.22 : 165,270.42 = 87,896.76 : x
  2. Step 2: Convert to fraction form
    119,783.22/165,270.42 = 87,896.76/x
  3. Step 3: Cross multiply
    119,783.22x = 165,270.42 × 87,896.76
  4. Step 4: Simplify right side
    119,783.22x = 14,526,734,441.84
  5. Step 5: Solve for x
    x = 14,526,734,441.84/119,783.22
  6. Step 6: Final answer
    x = 121,275.20

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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.