Home / 154,520.37-231,878.06-65,773.73

Finding the Fourth Proportional to 154,520.37, 231,878.06 and 65,773.73

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Solution

The fourth proportional to 154,520.37, 231,878.06 and 65,773.73 is: 98,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,520.37 : 231,878.06 = 65,773.73 : x
  2. Step 2: Convert to fraction form
    154,520.37/231,878.06 = 65,773.73/x
  3. Step 3: Cross multiply
    154,520.37x = 231,878.06 × 65,773.73
  4. Step 4: Simplify right side
    154,520.37x = 15,251,484,911.36
  5. Step 5: Solve for x
    x = 15,251,484,911.36/154,520.37
  6. Step 6: Final answer
    x = 98,702.10

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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.