Home / 109,215.30-163,823.01-30,329.52

Finding the Fourth Proportional to 109,215.30, 163,823.01 and 30,329.52

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Solution

The fourth proportional to 109,215.30, 163,823.01 and 30,329.52 is: 45,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,215.30 : 163,823.01 = 30,329.52 : x
  2. Step 2: Convert to fraction form
    109,215.30/163,823.01 = 30,329.52/x
  3. Step 3: Cross multiply
    109,215.30x = 163,823.01 × 30,329.52
  4. Step 4: Simplify right side
    109,215.30x = 4,968,673,258.26
  5. Step 5: Solve for x
    x = 4,968,673,258.26/109,215.30
  6. Step 6: Final answer
    x = 45,494.30

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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.