Home / 106,499.58-159,721.99-31,602

Finding the Fourth Proportional to 106,499.58, 159,721.99 and 31,602

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Solution

The fourth proportional to 106,499.58, 159,721.99 and 31,602 is: 47,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,499.58 : 159,721.99 = 31,602 : x
  2. Step 2: Convert to fraction form
    106,499.58/159,721.99 = 31,602/x
  3. Step 3: Cross multiply
    106,499.58x = 159,721.99 × 31,602
  4. Step 4: Simplify right side
    106,499.58x = 5,047,534,327.98
  5. Step 5: Solve for x
    x = 5,047,534,327.98/106,499.58
  6. Step 6: Final answer
    x = 47,394.88

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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.