Home / 188,705.53-282,975.18-99,938.29

Finding the Fourth Proportional to 188,705.53, 282,975.18 and 99,938.29

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Solution

The fourth proportional to 188,705.53, 282,975.18 and 99,938.29 is: 149,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,705.53 : 282,975.18 = 99,938.29 : x
  2. Step 2: Convert to fraction form
    188,705.53/282,975.18 = 99,938.29/x
  3. Step 3: Cross multiply
    188,705.53x = 282,975.18 × 99,938.29
  4. Step 4: Simplify right side
    188,705.53x = 28,280,055,601.64
  5. Step 5: Solve for x
    x = 28,280,055,601.64/188,705.53
  6. Step 6: Final answer
    x = 149,863.42

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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.