Home / 102,438.26-153,678.04-43,273.83

Finding the Fourth Proportional to 102,438.26, 153,678.04 and 43,273.83

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Solution

The fourth proportional to 102,438.26, 153,678.04 and 43,273.83 is: 64,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,438.26 : 153,678.04 = 43,273.83 : x
  2. Step 2: Convert to fraction form
    102,438.26/153,678.04 = 43,273.83/x
  3. Step 3: Cross multiply
    102,438.26x = 153,678.04 × 43,273.83
  4. Step 4: Simplify right side
    102,438.26x = 6,650,237,377.69
  5. Step 5: Solve for x
    x = 6,650,237,377.69/102,438.26
  6. Step 6: Final answer
    x = 64,919.47

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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.