Home / 161,654.36-223,089.94-90,034.40

Finding the Fourth Proportional to 161,654.36, 223,089.94 and 90,034.40

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Solution

The fourth proportional to 161,654.36, 223,089.94 and 90,034.40 is: 124,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654.36 : 223,089.94 = 90,034.40 : x
  2. Step 2: Convert to fraction form
    161,654.36/223,089.94 = 90,034.40/x
  3. Step 3: Cross multiply
    161,654.36x = 223,089.94 × 90,034.40
  4. Step 4: Simplify right side
    161,654.36x = 20,085,768,893.94
  5. Step 5: Solve for x
    x = 20,085,768,893.94/161,654.36
  6. Step 6: Final answer
    x = 124,251.33

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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.