Home / 157,885.45-236,996.73-67,972.66

Finding the Fourth Proportional to 157,885.45, 236,996.73 and 67,972.66

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Solution

The fourth proportional to 157,885.45, 236,996.73 and 67,972.66 is: 102,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,885.45 : 236,996.73 = 67,972.66 : x
  2. Step 2: Convert to fraction form
    157,885.45/236,996.73 = 67,972.66/x
  3. Step 3: Cross multiply
    157,885.45x = 236,996.73 × 67,972.66
  4. Step 4: Simplify right side
    157,885.45x = 16,109,297,556.91
  5. Step 5: Solve for x
    x = 16,109,297,556.91/157,885.45
  6. Step 6: Final answer
    x = 102,031.55

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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.