Home / 163,896.20-245,844.30-161,563.40

Finding the Fourth Proportional to 163,896.20, 245,844.30 and 161,563.40

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Solution

The fourth proportional to 163,896.20, 245,844.30 and 161,563.40 is: 242,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,896.20 : 245,844.30 = 161,563.40 : x
  2. Step 2: Convert to fraction form
    163,896.20/245,844.30 = 161,563.40/x
  3. Step 3: Cross multiply
    163,896.20x = 245,844.30 × 161,563.40
  4. Step 4: Simplify right side
    163,896.20x = 39,719,440,978.62
  5. Step 5: Solve for x
    x = 39,719,440,978.62/163,896.20
  6. Step 6: Final answer
    x = 242,345.10

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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.