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Finding the Fourth Proportional to 163,000.20, 244,208.70 and 139,672.20

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Solution

The fourth proportional to 163,000.20, 244,208.70 and 139,672.20 is: 209,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,000.20 : 244,208.70 = 139,672.20 : x
  2. Step 2: Convert to fraction form
    163,000.20/244,208.70 = 139,672.20/x
  3. Step 3: Cross multiply
    163,000.20x = 244,208.70 × 139,672.20
  4. Step 4: Simplify right side
    163,000.20x = 34,109,166,388.14
  5. Step 5: Solve for x
    x = 34,109,166,388.14/163,000.20
  6. Step 6: Final answer
    x = 209,258.43

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1.5x scale

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.