Home / 109,214.92-150,721.44-61,471.36

Finding the Fourth Proportional to 109,214.92, 150,721.44 and 61,471.36

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Solution

The fourth proportional to 109,214.92, 150,721.44 and 61,471.36 is: 84,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,214.92 : 150,721.44 = 61,471.36 : x
  2. Step 2: Convert to fraction form
    109,214.92/150,721.44 = 61,471.36/x
  3. Step 3: Cross multiply
    109,214.92x = 150,721.44 × 61,471.36
  4. Step 4: Simplify right side
    109,214.92x = 9,265,051,897.96
  5. Step 5: Solve for x
    x = 9,265,051,897.96/109,214.92
  6. Step 6: Final answer
    x = 84,833.21

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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.