Home / 181,170.47-250,006.91-100,603.11

Finding the Fourth Proportional to 181,170.47, 250,006.91 and 100,603.11

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Solution

The fourth proportional to 181,170.47, 250,006.91 and 100,603.11 is: 138,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,170.47 : 250,006.91 = 100,603.11 : x
  2. Step 2: Convert to fraction form
    181,170.47/250,006.91 = 100,603.11/x
  3. Step 3: Cross multiply
    181,170.47x = 250,006.91 × 100,603.11
  4. Step 4: Simplify right side
    181,170.47x = 25,151,473,102.00
  5. Step 5: Solve for x
    x = 25,151,473,102.00/181,170.47
  6. Step 6: Final answer
    x = 138,827.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.