Home / 134,720.62-185,913.33-74,293.78

Finding the Fourth Proportional to 134,720.62, 185,913.33 and 74,293.78

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Solution

The fourth proportional to 134,720.62, 185,913.33 and 74,293.78 is: 102,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.62 : 185,913.33 = 74,293.78 : x
  2. Step 2: Convert to fraction form
    134,720.62/185,913.33 = 74,293.78/x
  3. Step 3: Cross multiply
    134,720.62x = 185,913.33 × 74,293.78
  4. Step 4: Simplify right side
    134,720.62x = 13,812,204,038.09
  5. Step 5: Solve for x
    x = 13,812,204,038.09/134,720.62
  6. Step 6: Final answer
    x = 102,524.80

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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.