Home / 237,013.39-355,555.49-87,242.30

Finding the Fourth Proportional to 237,013.39, 355,555.49 and 87,242.30

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Solution

The fourth proportional to 237,013.39, 355,555.49 and 87,242.30 is: 130,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,013.39 : 355,555.49 = 87,242.30 : x
  2. Step 2: Convert to fraction form
    237,013.39/355,555.49 = 87,242.30/x
  3. Step 3: Cross multiply
    237,013.39x = 355,555.49 × 87,242.30
  4. Step 4: Simplify right side
    237,013.39x = 31,019,476,511.24
  5. Step 5: Solve for x
    x = 31,019,476,511.24/237,013.39
  6. Step 6: Final answer
    x = 130,876.47

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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.