Home / 121,343.67-182,097.45-42,458.58

Finding the Fourth Proportional to 121,343.67, 182,097.45 and 42,458.58

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Solution

The fourth proportional to 121,343.67, 182,097.45 and 42,458.58 is: 63,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,343.67 : 182,097.45 = 42,458.58 : x
  2. Step 2: Convert to fraction form
    121,343.67/182,097.45 = 42,458.58/x
  3. Step 3: Cross multiply
    121,343.67x = 182,097.45 × 42,458.58
  4. Step 4: Simplify right side
    121,343.67x = 7,731,599,148.62
  5. Step 5: Solve for x
    x = 7,731,599,148.62/121,343.67
  6. Step 6: Final answer
    x = 63,716.54

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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.