Home / 94,419.54-130,299.84-51,978.78

Finding the Fourth Proportional to 94,419.54, 130,299.84 and 51,978.78

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Solution

The fourth proportional to 94,419.54, 130,299.84 and 51,978.78 is: 71,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,419.54 : 130,299.84 = 51,978.78 : x
  2. Step 2: Convert to fraction form
    94,419.54/130,299.84 = 51,978.78/x
  3. Step 3: Cross multiply
    94,419.54x = 130,299.84 × 51,978.78
  4. Step 4: Simplify right side
    94,419.54x = 6,772,826,717.40
  5. Step 5: Solve for x
    x = 6,772,826,717.40/94,419.54
  6. Step 6: Final answer
    x = 71,731.20

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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.