Home / 251,979.19-347,731.28-138,801.94

Finding the Fourth Proportional to 251,979.19, 347,731.28 and 138,801.94

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Solution

The fourth proportional to 251,979.19, 347,731.28 and 138,801.94 is: 191,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,979.19 : 347,731.28 = 138,801.94 : x
  2. Step 2: Convert to fraction form
    251,979.19/347,731.28 = 138,801.94/x
  3. Step 3: Cross multiply
    251,979.19x = 347,731.28 × 138,801.94
  4. Step 4: Simplify right side
    251,979.19x = 48,265,775,219.85
  5. Step 5: Solve for x
    x = 48,265,775,219.85/251,979.19
  6. Step 6: Final answer
    x = 191,546.67

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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.