Home / 121,456.08-182,203.44-51,336

Finding the Fourth Proportional to 121,456.08, 182,203.44 and 51,336

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Solution

The fourth proportional to 121,456.08, 182,203.44 and 51,336 is: 77,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456.08 : 182,203.44 = 51,336 : x
  2. Step 2: Convert to fraction form
    121,456.08/182,203.44 = 51,336/x
  3. Step 3: Cross multiply
    121,456.08x = 182,203.44 × 51,336
  4. Step 4: Simplify right side
    121,456.08x = 9,353,595,795.84
  5. Step 5: Solve for x
    x = 9,353,595,795.84/121,456.08
  6. Step 6: Final answer
    x = 77,012.17

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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.