Home / 121,684.74-182,537.94-42,799.68

Finding the Fourth Proportional to 121,684.74, 182,537.94 and 42,799.68

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Solution

The fourth proportional to 121,684.74, 182,537.94 and 42,799.68 is: 64,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,684.74 : 182,537.94 = 42,799.68 : x
  2. Step 2: Convert to fraction form
    121,684.74/182,537.94 = 42,799.68/x
  3. Step 3: Cross multiply
    121,684.74x = 182,537.94 × 42,799.68
  4. Step 4: Simplify right side
    121,684.74x = 7,812,565,419.86
  5. Step 5: Solve for x
    x = 7,812,565,419.86/121,684.74
  6. Step 6: Final answer
    x = 64,203.33

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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.