Home / 121,410.09-182,071.40-51,294.87

Finding the Fourth Proportional to 121,410.09, 182,071.40 and 51,294.87

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Solution

The fourth proportional to 121,410.09, 182,071.40 and 51,294.87 is: 76,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.09 : 182,071.40 = 51,294.87 : x
  2. Step 2: Convert to fraction form
    121,410.09/182,071.40 = 51,294.87/x
  3. Step 3: Cross multiply
    121,410.09x = 182,071.40 × 51,294.87
  4. Step 4: Simplify right side
    121,410.09x = 9,339,328,537.24
  5. Step 5: Solve for x
    x = 9,339,328,537.24/121,410.09
  6. Step 6: Final answer
    x = 76,923.83

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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.