Home / 149,674.50-224,556.30-86,479.11

Finding the Fourth Proportional to 149,674.50, 224,556.30 and 86,479.11

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Solution

The fourth proportional to 149,674.50, 224,556.30 and 86,479.11 is: 129,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,674.50 : 224,556.30 = 86,479.11 : x
  2. Step 2: Convert to fraction form
    149,674.50/224,556.30 = 86,479.11/x
  3. Step 3: Cross multiply
    149,674.50x = 224,556.30 × 86,479.11
  4. Step 4: Simplify right side
    149,674.50x = 19,419,428,968.89
  5. Step 5: Solve for x
    x = 19,419,428,968.89/149,674.50
  6. Step 6: Final answer
    x = 129,744.41

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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.