Home / 131,756.64-197,638.48-43,015.52

Finding the Fourth Proportional to 131,756.64, 197,638.48 and 43,015.52

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Solution

The fourth proportional to 131,756.64, 197,638.48 and 43,015.52 is: 64,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,756.64 : 197,638.48 = 43,015.52 : x
  2. Step 2: Convert to fraction form
    131,756.64/197,638.48 = 43,015.52/x
  3. Step 3: Cross multiply
    131,756.64x = 197,638.48 × 43,015.52
  4. Step 4: Simplify right side
    131,756.64x = 8,501,521,989.21
  5. Step 5: Solve for x
    x = 8,501,521,989.21/131,756.64
  6. Step 6: Final answer
    x = 64,524.43

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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.