Home / 121,344.36-182,098.53-42,459.27

Finding the Fourth Proportional to 121,344.36, 182,098.53 and 42,459.27

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Solution

The fourth proportional to 121,344.36, 182,098.53 and 42,459.27 is: 63,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344.36 : 182,098.53 = 42,459.27 : x
  2. Step 2: Convert to fraction form
    121,344.36/182,098.53 = 42,459.27/x
  3. Step 3: Cross multiply
    121,344.36x = 182,098.53 × 42,459.27
  4. Step 4: Simplify right side
    121,344.36x = 7,731,770,651.87
  5. Step 5: Solve for x
    x = 7,731,770,651.87/121,344.36
  6. Step 6: Final answer
    x = 63,717.59

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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.