Home / 193,159.04-289,713.92-74,749.36

Finding the Fourth Proportional to 193,159.04, 289,713.92 and 74,749.36

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Solution

The fourth proportional to 193,159.04, 289,713.92 and 74,749.36 is: 112,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,159.04 : 289,713.92 = 74,749.36 : x
  2. Step 2: Convert to fraction form
    193,159.04/289,713.92 = 74,749.36/x
  3. Step 3: Cross multiply
    193,159.04x = 289,713.92 × 74,749.36
  4. Step 4: Simplify right side
    193,159.04x = 21,655,930,103.09
  5. Step 5: Solve for x
    x = 21,655,930,103.09/193,159.04
  6. Step 6: Final answer
    x = 112,114.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.