Home / 109,052.02-163,578.03-30,164.20

Finding the Fourth Proportional to 109,052.02, 163,578.03 and 30,164.20

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Solution

The fourth proportional to 109,052.02, 163,578.03 and 30,164.20 is: 45,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,052.02 : 163,578.03 = 30,164.20 : x
  2. Step 2: Convert to fraction form
    109,052.02/163,578.03 = 30,164.20/x
  3. Step 3: Cross multiply
    109,052.02x = 163,578.03 × 30,164.20
  4. Step 4: Simplify right side
    109,052.02x = 4,934,200,060.14
  5. Step 5: Solve for x
    x = 4,934,200,060.14/109,052.02
  6. Step 6: Final answer
    x = 45,246.30

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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.