Home / 106,208.20-159,307.03-39,643.21

Finding the Fourth Proportional to 106,208.20, 159,307.03 and 39,643.21

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Solution

The fourth proportional to 106,208.20, 159,307.03 and 39,643.21 is: 59,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,208.20 : 159,307.03 = 39,643.21 : x
  2. Step 2: Convert to fraction form
    106,208.20/159,307.03 = 39,643.21/x
  3. Step 3: Cross multiply
    106,208.20x = 159,307.03 × 39,643.21
  4. Step 4: Simplify right side
    106,208.20x = 6,315,442,044.77
  5. Step 5: Solve for x
    x = 6,315,442,044.77/106,208.20
  6. Step 6: Final answer
    x = 59,462.85

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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.