Home / 181,625.14-250,638.78-105,147.47

Finding the Fourth Proportional to 181,625.14, 250,638.78 and 105,147.47

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Solution

The fourth proportional to 181,625.14, 250,638.78 and 105,147.47 is: 145,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,625.14 : 250,638.78 = 105,147.47 : x
  2. Step 2: Convert to fraction form
    181,625.14/250,638.78 = 105,147.47/x
  3. Step 3: Cross multiply
    181,625.14x = 250,638.78 × 105,147.47
  4. Step 4: Simplify right side
    181,625.14x = 26,354,032,893.29
  5. Step 5: Solve for x
    x = 26,354,032,893.29/181,625.14
  6. Step 6: Final answer
    x = 145,101.24

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1.5x scale

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.