Home / 106,330.20-159,668.10-76,954.20

Finding the Fourth Proportional to 106,330.20, 159,668.10 and 76,954.20

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Solution

The fourth proportional to 106,330.20, 159,668.10 and 76,954.20 is: 115,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.20 : 159,668.10 = 76,954.20 : x
  2. Step 2: Convert to fraction form
    106,330.20/159,668.10 = 76,954.20/x
  3. Step 3: Cross multiply
    106,330.20x = 159,668.10 × 76,954.20
  4. Step 4: Simplify right side
    106,330.20x = 12,287,130,901.02
  5. Step 5: Solve for x
    x = 12,287,130,901.02/106,330.20
  6. Step 6: Final answer
    x = 115,556.36

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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.