Home / 106,308.27-159,462.63-99,812.88

Finding the Fourth Proportional to 106,308.27, 159,462.63 and 99,812.88

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Solution

The fourth proportional to 106,308.27, 159,462.63 and 99,812.88 is: 149,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,308.27 : 159,462.63 = 99,812.88 : x
  2. Step 2: Convert to fraction form
    106,308.27/159,462.63 = 99,812.88/x
  3. Step 3: Cross multiply
    106,308.27x = 159,462.63 × 99,812.88
  4. Step 4: Simplify right side
    106,308.27x = 15,916,424,352.67
  5. Step 5: Solve for x
    x = 15,916,424,352.67/106,308.27
  6. Step 6: Final answer
    x = 149,719.53

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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.