Home / 147,531.30-221,406.30-108,165.30

Finding the Fourth Proportional to 147,531.30, 221,406.30 and 108,165.30

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Solution

The fourth proportional to 147,531.30, 221,406.30 and 108,165.30 is: 162,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531.30 : 221,406.30 = 108,165.30 : x
  2. Step 2: Convert to fraction form
    147,531.30/221,406.30 = 108,165.30/x
  3. Step 3: Cross multiply
    147,531.30x = 221,406.30 × 108,165.30
  4. Step 4: Simplify right side
    147,531.30x = 23,948,478,861.39
  5. Step 5: Solve for x
    x = 23,948,478,861.39/147,531.30
  6. Step 6: Final answer
    x = 162,328.12

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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.