Home / 121,669.92-182,473.20-51,513.12

Finding the Fourth Proportional to 121,669.92, 182,473.20 and 51,513.12

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Solution

The fourth proportional to 121,669.92, 182,473.20 and 51,513.12 is: 77,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669.92 : 182,473.20 = 51,513.12 : x
  2. Step 2: Convert to fraction form
    121,669.92/182,473.20 = 51,513.12/x
  3. Step 3: Cross multiply
    121,669.92x = 182,473.20 × 51,513.12
  4. Step 4: Simplify right side
    121,669.92x = 9,399,763,848.38
  5. Step 5: Solve for x
    x = 9,399,763,848.38/121,669.92
  6. Step 6: Final answer
    x = 77,256.27

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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.