Home / 106,475.30-159,666.19-39,868.72

Finding the Fourth Proportional to 106,475.30, 159,666.19 and 39,868.72

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Solution

The fourth proportional to 106,475.30, 159,666.19 and 39,868.72 is: 59,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.30 : 159,666.19 = 39,868.72 : x
  2. Step 2: Convert to fraction form
    106,475.30/159,666.19 = 39,868.72/x
  3. Step 3: Cross multiply
    106,475.30x = 159,666.19 × 39,868.72
  4. Step 4: Simplify right side
    106,475.30x = 6,365,686,123.74
  5. Step 5: Solve for x
    x = 6,365,686,123.74/106,475.30
  6. Step 6: Final answer
    x = 59,785.57

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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.