Home / 109,007.25-163,491.98-30,100.29

Finding the Fourth Proportional to 109,007.25, 163,491.98 and 30,100.29

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Solution

The fourth proportional to 109,007.25, 163,491.98 and 30,100.29 is: 45,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,007.25 : 163,491.98 = 30,100.29 : x
  2. Step 2: Convert to fraction form
    109,007.25/163,491.98 = 30,100.29/x
  3. Step 3: Cross multiply
    109,007.25x = 163,491.98 × 30,100.29
  4. Step 4: Simplify right side
    109,007.25x = 4,921,155,860.17
  5. Step 5: Solve for x
    x = 4,921,155,860.17/109,007.25
  6. Step 6: Final answer
    x = 45,145.22

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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.