Home / 212,491.54-293,239.20-127,610.02

Finding the Fourth Proportional to 212,491.54, 293,239.20 and 127,610.02

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Solution

The fourth proportional to 212,491.54, 293,239.20 and 127,610.02 is: 176,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,491.54 : 293,239.20 = 127,610.02 : x
  2. Step 2: Convert to fraction form
    212,491.54/293,239.20 = 127,610.02/x
  3. Step 3: Cross multiply
    212,491.54x = 293,239.20 × 127,610.02
  4. Step 4: Simplify right side
    212,491.54x = 37,420,260,176.78
  5. Step 5: Solve for x
    x = 37,420,260,176.78/212,491.54
  6. Step 6: Final answer
    x = 176,102.35

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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.