Home / 134,580.20-185,722.83-74,149.97

Finding the Fourth Proportional to 134,580.20, 185,722.83 and 74,149.97

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Solution

The fourth proportional to 134,580.20, 185,722.83 and 74,149.97 is: 102,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,580.20 : 185,722.83 = 74,149.97 : x
  2. Step 2: Convert to fraction form
    134,580.20/185,722.83 = 74,149.97/x
  3. Step 3: Cross multiply
    134,580.20x = 185,722.83 × 74,149.97
  4. Step 4: Simplify right side
    134,580.20x = 13,771,341,344.20
  5. Step 5: Solve for x
    x = 13,771,341,344.20/134,580.20
  6. Step 6: Final answer
    x = 102,328.14

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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.