Home / 154,192.64-231,251.92-52,978.95

Finding the Fourth Proportional to 154,192.64, 231,251.92 and 52,978.95

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Solution

The fourth proportional to 154,192.64, 231,251.92 and 52,978.95 is: 79,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,192.64 : 231,251.92 = 52,978.95 : x
  2. Step 2: Convert to fraction form
    154,192.64/231,251.92 = 52,978.95/x
  3. Step 3: Cross multiply
    154,192.64x = 231,251.92 × 52,978.95
  4. Step 4: Simplify right side
    154,192.64x = 12,251,483,774.64
  5. Step 5: Solve for x
    x = 12,251,483,774.64/154,192.64
  6. Step 6: Final answer
    x = 79,455.70

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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.