Home / 121,900.34-182,784.77-55,304.13

Finding the Fourth Proportional to 121,900.34, 182,784.77 and 55,304.13

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Solution

The fourth proportional to 121,900.34, 182,784.77 and 55,304.13 is: 82,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,900.34 : 182,784.77 = 55,304.13 : x
  2. Step 2: Convert to fraction form
    121,900.34/182,784.77 = 55,304.13/x
  3. Step 3: Cross multiply
    121,900.34x = 182,784.77 × 55,304.13
  4. Step 4: Simplify right side
    121,900.34x = 10,108,753,298.41
  5. Step 5: Solve for x
    x = 10,108,753,298.41/121,900.34
  6. Step 6: Final answer
    x = 82,926.37

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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.