Home / 239,851.82-359,384.06-81,994.16

Finding the Fourth Proportional to 239,851.82, 359,384.06 and 81,994.16

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Solution

The fourth proportional to 239,851.82, 359,384.06 and 81,994.16 is: 122,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,851.82 : 359,384.06 = 81,994.16 : x
  2. Step 2: Convert to fraction form
    239,851.82/359,384.06 = 81,994.16/x
  3. Step 3: Cross multiply
    239,851.82x = 359,384.06 × 81,994.16
  4. Step 4: Simplify right side
    239,851.82x = 29,467,391,910.20
  5. Step 5: Solve for x
    x = 29,467,391,910.20/239,851.82
  6. Step 6: Final answer
    x = 122,856.66

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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.