Home / 114,772.38-172,158.56-43,678.25

Finding the Fourth Proportional to 114,772.38, 172,158.56 and 43,678.25

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Solution

The fourth proportional to 114,772.38, 172,158.56 and 43,678.25 is: 65,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,772.38 : 172,158.56 = 43,678.25 : x
  2. Step 2: Convert to fraction form
    114,772.38/172,158.56 = 43,678.25/x
  3. Step 3: Cross multiply
    114,772.38x = 172,158.56 × 43,678.25
  4. Step 4: Simplify right side
    114,772.38x = 7,519,583,544.14
  5. Step 5: Solve for x
    x = 7,519,583,544.14/114,772.38
  6. Step 6: Final answer
    x = 65,517.36

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1.5x scale

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.