Home / 118,283.78-177,314.46-58,289.10

Finding the Fourth Proportional to 118,283.78, 177,314.46 and 58,289.10

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Solution

The fourth proportional to 118,283.78, 177,314.46 and 58,289.10 is: 87,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,283.78 : 177,314.46 = 58,289.10 : x
  2. Step 2: Convert to fraction form
    118,283.78/177,314.46 = 58,289.10/x
  3. Step 3: Cross multiply
    118,283.78x = 177,314.46 × 58,289.10
  4. Step 4: Simplify right side
    118,283.78x = 10,335,500,290.39
  5. Step 5: Solve for x
    x = 10,335,500,290.39/118,283.78
  6. Step 6: Final answer
    x = 87,378.85

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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.