Home / 216,069.68-298,140.50-120,576.15

Finding the Fourth Proportional to 216,069.68, 298,140.50 and 120,576.15

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Solution

The fourth proportional to 216,069.68, 298,140.50 and 120,576.15 is: 166,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,069.68 : 298,140.50 = 120,576.15 : x
  2. Step 2: Convert to fraction form
    216,069.68/298,140.50 = 120,576.15/x
  3. Step 3: Cross multiply
    216,069.68x = 298,140.50 × 120,576.15
  4. Step 4: Simplify right side
    216,069.68x = 35,948,633,950.52
  5. Step 5: Solve for x
    x = 35,948,633,950.52/216,069.68
  6. Step 6: Final answer
    x = 166,375.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.