Home / 121,929.61-182,768.70-50,893.58

Finding the Fourth Proportional to 121,929.61, 182,768.70 and 50,893.58

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Solution

The fourth proportional to 121,929.61, 182,768.70 and 50,893.58 is: 76,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,929.61 : 182,768.70 = 50,893.58 : x
  2. Step 2: Convert to fraction form
    121,929.61/182,768.70 = 50,893.58/x
  3. Step 3: Cross multiply
    121,929.61x = 182,768.70 × 50,893.58
  4. Step 4: Simplify right side
    121,929.61x = 9,301,754,488.25
  5. Step 5: Solve for x
    x = 9,301,754,488.25/121,929.61
  6. Step 6: Final answer
    x = 76,287.90

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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.