Home / 130,386.41-179,902.38-73,797.78

Finding the Fourth Proportional to 130,386.41, 179,902.38 and 73,797.78

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Solution

The fourth proportional to 130,386.41, 179,902.38 and 73,797.78 is: 101,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,386.41 : 179,902.38 = 73,797.78 : x
  2. Step 2: Convert to fraction form
    130,386.41/179,902.38 = 73,797.78/x
  3. Step 3: Cross multiply
    130,386.41x = 179,902.38 × 73,797.78
  4. Step 4: Simplify right side
    130,386.41x = 13,276,396,260.72
  5. Step 5: Solve for x
    x = 13,276,396,260.72/130,386.41
  6. Step 6: Final answer
    x = 101,823.47

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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.