Home / 163,916.20-245,874.30-161,583.40

Finding the Fourth Proportional to 163,916.20, 245,874.30 and 161,583.40

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Solution

The fourth proportional to 163,916.20, 245,874.30 and 161,583.40 is: 242,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,916.20 : 245,874.30 = 161,583.40 : x
  2. Step 2: Convert to fraction form
    163,916.20/245,874.30 = 161,583.40/x
  3. Step 3: Cross multiply
    163,916.20x = 245,874.30 × 161,583.40
  4. Step 4: Simplify right side
    163,916.20x = 39,729,205,366.62
  5. Step 5: Solve for x
    x = 39,729,205,366.62/163,916.20
  6. Step 6: Final answer
    x = 242,375.10

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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.