Home / 102,938.52-140,758.04-102,938.52

Finding the Fourth Proportional to 102,938.52, 140,758.04 and 102,938.52

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Solution

The fourth proportional to 102,938.52, 140,758.04 and 102,938.52 is: 140,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,938.52 : 140,758.04 = 102,938.52 : x
  2. Step 2: Convert to fraction form
    102,938.52/140,758.04 = 102,938.52/x
  3. Step 3: Cross multiply
    102,938.52x = 140,758.04 × 102,938.52
  4. Step 4: Simplify right side
    102,938.52x = 14,489,423,801.01
  5. Step 5: Solve for x
    x = 14,489,423,801.01/102,938.52
  6. Step 6: Final answer
    x = 140,758.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.