Home / 106,475.17-159,666-39,868.59

Finding the Fourth Proportional to 106,475.17, 159,666 and 39,868.59

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Solution

The fourth proportional to 106,475.17, 159,666 and 39,868.59 is: 59,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.17 : 159,666 = 39,868.59 : x
  2. Step 2: Convert to fraction form
    106,475.17/159,666 = 39,868.59/x
  3. Step 3: Cross multiply
    106,475.17x = 159,666 × 39,868.59
  4. Step 4: Simplify right side
    106,475.17x = 6,365,658,290.94
  5. Step 5: Solve for x
    x = 6,365,658,290.94/106,475.17
  6. Step 6: Final answer
    x = 59,785.38

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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.