Home / 118,260.28-177,296.23-68,283.69

Finding the Fourth Proportional to 118,260.28, 177,296.23 and 68,283.69

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Solution

The fourth proportional to 118,260.28, 177,296.23 and 68,283.69 is: 102,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,260.28 : 177,296.23 = 68,283.69 : x
  2. Step 2: Convert to fraction form
    118,260.28/177,296.23 = 68,283.69/x
  3. Step 3: Cross multiply
    118,260.28x = 177,296.23 × 68,283.69
  4. Step 4: Simplify right side
    118,260.28x = 12,106,440,807.49
  5. Step 5: Solve for x
    x = 12,106,440,807.49/118,260.28
  6. Step 6: Final answer
    x = 102,371.15

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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.