Home / 76,155.23-114,229.40-19,994.02

Finding the Fourth Proportional to 76,155.23, 114,229.40 and 19,994.02

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Solution

The fourth proportional to 76,155.23, 114,229.40 and 19,994.02 is: 29,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,155.23 : 114,229.40 = 19,994.02 : x
  2. Step 2: Convert to fraction form
    76,155.23/114,229.40 = 19,994.02/x
  3. Step 3: Cross multiply
    76,155.23x = 114,229.40 × 19,994.02
  4. Step 4: Simplify right side
    76,155.23x = 2,283,904,237.07
  5. Step 5: Solve for x
    x = 2,283,904,237.07/76,155.23
  6. Step 6: Final answer
    x = 29,990.12

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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.