Home / 102,579.75-141,576.46-60,138.28

Finding the Fourth Proportional to 102,579.75, 141,576.46 and 60,138.28

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Solution

The fourth proportional to 102,579.75, 141,576.46 and 60,138.28 is: 83,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,579.75 : 141,576.46 = 60,138.28 : x
  2. Step 2: Convert to fraction form
    102,579.75/141,576.46 = 60,138.28/x
  3. Step 3: Cross multiply
    102,579.75x = 141,576.46 × 60,138.28
  4. Step 4: Simplify right side
    102,579.75x = 8,514,164,792.89
  5. Step 5: Solve for x
    x = 8,514,164,792.89/102,579.75
  6. Step 6: Final answer
    x = 83,000.44

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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.