Home / 237,139.80-355,588.10-70,906.20

Finding the Fourth Proportional to 237,139.80, 355,588.10 and 70,906.20

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Solution

The fourth proportional to 237,139.80, 355,588.10 and 70,906.20 is: 106,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,139.80 : 355,588.10 = 70,906.20 : x
  2. Step 2: Convert to fraction form
    237,139.80/355,588.10 = 70,906.20/x
  3. Step 3: Cross multiply
    237,139.80x = 355,588.10 × 70,906.20
  4. Step 4: Simplify right side
    237,139.80x = 25,213,400,936.22
  5. Step 5: Solve for x
    x = 25,213,400,936.22/237,139.80
  6. Step 6: Final answer
    x = 106,322.94

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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.