Home / 161,682.84-223,129.26-90,062.91

Finding the Fourth Proportional to 161,682.84, 223,129.26 and 90,062.91

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Solution

The fourth proportional to 161,682.84, 223,129.26 and 90,062.91 is: 124,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,682.84 : 223,129.26 = 90,062.91 : x
  2. Step 2: Convert to fraction form
    161,682.84/223,129.26 = 90,062.91/x
  3. Step 3: Cross multiply
    161,682.84x = 223,129.26 × 90,062.91
  4. Step 4: Simplify right side
    161,682.84x = 20,095,670,461.75
  5. Step 5: Solve for x
    x = 20,095,670,461.75/161,682.84
  6. Step 6: Final answer
    x = 124,290.68

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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.