Home / 115,111.14-172,678.70-44,033.64

Finding the Fourth Proportional to 115,111.14, 172,678.70 and 44,033.64

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Solution

The fourth proportional to 115,111.14, 172,678.70 and 44,033.64 is: 66,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,111.14 : 172,678.70 = 44,033.64 : x
  2. Step 2: Convert to fraction form
    115,111.14/172,678.70 = 44,033.64/x
  3. Step 3: Cross multiply
    115,111.14x = 172,678.70 × 44,033.64
  4. Step 4: Simplify right side
    115,111.14x = 7,603,671,174.01
  5. Step 5: Solve for x
    x = 7,603,671,174.01/115,111.14
  6. Step 6: Final answer
    x = 66,055.04

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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.