Home / 109,182.60-150,665.67-61,433.10

Finding the Fourth Proportional to 109,182.60, 150,665.67 and 61,433.10

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Solution

The fourth proportional to 109,182.60, 150,665.67 and 61,433.10 is: 84,774.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,182.60 : 150,665.67 = 61,433.10 : x
  2. Step 2: Convert to fraction form
    109,182.60/150,665.67 = 61,433.10/x
  3. Step 3: Cross multiply
    109,182.60x = 150,665.67 × 61,433.10
  4. Step 4: Simplify right side
    109,182.60x = 9,255,859,171.68
  5. Step 5: Solve for x
    x = 9,255,859,171.68/109,182.60
  6. Step 6: Final answer
    x = 84,774.12

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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.