Home / 155,137.56-232,799.30-66,391.16

Finding the Fourth Proportional to 155,137.56, 232,799.30 and 66,391.16

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Solution

The fourth proportional to 155,137.56, 232,799.30 and 66,391.16 is: 99,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,137.56 : 232,799.30 = 66,391.16 : x
  2. Step 2: Convert to fraction form
    155,137.56/232,799.30 = 66,391.16/x
  3. Step 3: Cross multiply
    155,137.56x = 232,799.30 × 66,391.16
  4. Step 4: Simplify right side
    155,137.56x = 15,455,814,078.24
  5. Step 5: Solve for x
    x = 15,455,814,078.24/155,137.56
  6. Step 6: Final answer
    x = 99,626.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.