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Finding the Fourth Proportional to 163,400.70, 245,101.05 and 88,556.70

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Solution

The fourth proportional to 163,400.70, 245,101.05 and 88,556.70 is: 132,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,400.70 : 245,101.05 = 88,556.70 : x
  2. Step 2: Convert to fraction form
    163,400.70/245,101.05 = 88,556.70/x
  3. Step 3: Cross multiply
    163,400.70x = 245,101.05 × 88,556.70
  4. Step 4: Simplify right side
    163,400.70x = 21,705,340,154.54
  5. Step 5: Solve for x
    x = 21,705,340,154.54/163,400.70
  6. Step 6: Final answer
    x = 132,835.05

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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.