Home / 216,035.38-298,126.20-135,510.04

Finding the Fourth Proportional to 216,035.38, 298,126.20 and 135,510.04

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Solution

The fourth proportional to 216,035.38, 298,126.20 and 135,510.04 is: 187,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,035.38 : 298,126.20 = 135,510.04 : x
  2. Step 2: Convert to fraction form
    216,035.38/298,126.20 = 135,510.04/x
  3. Step 3: Cross multiply
    216,035.38x = 298,126.20 × 135,510.04
  4. Step 4: Simplify right side
    216,035.38x = 40,399,093,287.05
  5. Step 5: Solve for x
    x = 40,399,093,287.05/216,035.38
  6. Step 6: Final answer
    x = 187,002.21

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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.