Home / 109,217.92-163,754.52-42,664.36

Finding the Fourth Proportional to 109,217.92, 163,754.52 and 42,664.36

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Solution

The fourth proportional to 109,217.92, 163,754.52 and 42,664.36 is: 63,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,217.92 : 163,754.52 = 42,664.36 : x
  2. Step 2: Convert to fraction form
    109,217.92/163,754.52 = 42,664.36/x
  3. Step 3: Cross multiply
    109,217.92x = 163,754.52 × 42,664.36
  4. Step 4: Simplify right side
    109,217.92x = 6,986,481,792.91
  5. Step 5: Solve for x
    x = 6,986,481,792.91/109,217.92
  6. Step 6: Final answer
    x = 63,968.27

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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.