Home / 131,335.48-197,022.66-48,223

Finding the Fourth Proportional to 131,335.48, 197,022.66 and 48,223

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Solution

The fourth proportional to 131,335.48, 197,022.66 and 48,223 is: 72,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,335.48 : 197,022.66 = 48,223 : x
  2. Step 2: Convert to fraction form
    131,335.48/197,022.66 = 48,223/x
  3. Step 3: Cross multiply
    131,335.48x = 197,022.66 × 48,223
  4. Step 4: Simplify right side
    131,335.48x = 9,501,023,733.18
  5. Step 5: Solve for x
    x = 9,501,023,733.18/131,335.48
  6. Step 6: Final answer
    x = 72,341.64

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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.