Home / 147,849.03-204,031.73-79,866

Finding the Fourth Proportional to 147,849.03, 204,031.73 and 79,866

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Solution

The fourth proportional to 147,849.03, 204,031.73 and 79,866 is: 110,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,849.03 : 204,031.73 = 79,866 : x
  2. Step 2: Convert to fraction form
    147,849.03/204,031.73 = 79,866/x
  3. Step 3: Cross multiply
    147,849.03x = 204,031.73 × 79,866
  4. Step 4: Simplify right side
    147,849.03x = 16,295,198,148.18
  5. Step 5: Solve for x
    x = 16,295,198,148.18/147,849.03
  6. Step 6: Final answer
    x = 110,215.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.