Home / 106,911.42-160,371.21-47,747.58

Finding the Fourth Proportional to 106,911.42, 160,371.21 and 47,747.58

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Solution

The fourth proportional to 106,911.42, 160,371.21 and 47,747.58 is: 71,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,911.42 : 160,371.21 = 47,747.58 : x
  2. Step 2: Convert to fraction form
    106,911.42/160,371.21 = 47,747.58/x
  3. Step 3: Cross multiply
    106,911.42x = 160,371.21 × 47,747.58
  4. Step 4: Simplify right side
    106,911.42x = 7,657,337,179.17
  5. Step 5: Solve for x
    x = 7,657,337,179.17/106,911.42
  6. Step 6: Final answer
    x = 71,623.19

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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.