Home / 237,943.34-356,439.14-143,121.18

Finding the Fourth Proportional to 237,943.34, 356,439.14 and 143,121.18

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Solution

The fourth proportional to 237,943.34, 356,439.14 and 143,121.18 is: 214,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,943.34 : 356,439.14 = 143,121.18 : x
  2. Step 2: Convert to fraction form
    237,943.34/356,439.14 = 143,121.18/x
  3. Step 3: Cross multiply
    237,943.34x = 356,439.14 × 143,121.18
  4. Step 4: Simplify right side
    237,943.34x = 51,013,990,314.99
  5. Step 5: Solve for x
    x = 51,013,990,314.99/237,943.34
  6. Step 6: Final answer
    x = 214,395.54

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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.