Home / 106,528.30-159,780.65-38,137.13

Finding the Fourth Proportional to 106,528.30, 159,780.65 and 38,137.13

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Solution

The fourth proportional to 106,528.30, 159,780.65 and 38,137.13 is: 57,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,528.30 : 159,780.65 = 38,137.13 : x
  2. Step 2: Convert to fraction form
    106,528.30/159,780.65 = 38,137.13/x
  3. Step 3: Cross multiply
    106,528.30x = 159,780.65 × 38,137.13
  4. Step 4: Simplify right side
    106,528.30x = 6,093,575,420.53
  5. Step 5: Solve for x
    x = 6,093,575,420.53/106,528.30
  6. Step 6: Final answer
    x = 57,201.47

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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.