Home / 95,556.20-143,291.10-42,938.60

Finding the Fourth Proportional to 95,556.20, 143,291.10 and 42,938.60

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Solution

The fourth proportional to 95,556.20, 143,291.10 and 42,938.60 is: 64,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,556.20 : 143,291.10 = 42,938.60 : x
  2. Step 2: Convert to fraction form
    95,556.20/143,291.10 = 42,938.60/x
  3. Step 3: Cross multiply
    95,556.20x = 143,291.10 × 42,938.60
  4. Step 4: Simplify right side
    95,556.20x = 6,152,719,226.46
  5. Step 5: Solve for x
    x = 6,152,719,226.46/95,556.20
  6. Step 6: Final answer
    x = 64,388.49

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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.