Home / 131,851.48-197,833.86-87,493.72

Finding the Fourth Proportional to 131,851.48, 197,833.86 and 87,493.72

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Solution

The fourth proportional to 131,851.48, 197,833.86 and 87,493.72 is: 131,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,851.48 : 197,833.86 = 87,493.72 : x
  2. Step 2: Convert to fraction form
    131,851.48/197,833.86 = 87,493.72/x
  3. Step 3: Cross multiply
    131,851.48x = 197,833.86 × 87,493.72
  4. Step 4: Simplify right side
    131,851.48x = 17,309,220,353.36
  5. Step 5: Solve for x
    x = 17,309,220,353.36/131,851.48
  6. Step 6: Final answer
    x = 131,278.17

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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.