Home / 131,784.64-197,677.36-31,944.44

Finding the Fourth Proportional to 131,784.64, 197,677.36 and 31,944.44

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Solution

The fourth proportional to 131,784.64, 197,677.36 and 31,944.44 is: 47,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.64 : 197,677.36 = 31,944.44 : x
  2. Step 2: Convert to fraction form
    131,784.64/197,677.36 = 31,944.44/x
  3. Step 3: Cross multiply
    131,784.64x = 197,677.36 × 31,944.44
  4. Step 4: Simplify right side
    131,784.64x = 6,314,692,565.88
  5. Step 5: Solve for x
    x = 6,314,692,565.88/131,784.64
  6. Step 6: Final answer
    x = 47,916.76

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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.