Home / 106,828.52-160,129.78-40,239.83

Finding the Fourth Proportional to 106,828.52, 160,129.78 and 40,239.83

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Solution

The fourth proportional to 106,828.52, 160,129.78 and 40,239.83 is: 60,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,828.52 : 160,129.78 = 40,239.83 : x
  2. Step 2: Convert to fraction form
    106,828.52/160,129.78 = 40,239.83/x
  3. Step 3: Cross multiply
    106,828.52x = 160,129.78 × 40,239.83
  4. Step 4: Simplify right side
    106,828.52x = 6,443,595,424.86
  5. Step 5: Solve for x
    x = 6,443,595,424.86/106,828.52
  6. Step 6: Final answer
    x = 60,317.19

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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.