Home / 121,381.03-182,097.53-42,497.83

Finding the Fourth Proportional to 121,381.03, 182,097.53 and 42,497.83

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Solution

The fourth proportional to 121,381.03, 182,097.53 and 42,497.83 is: 63,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,381.03 : 182,097.53 = 42,497.83 : x
  2. Step 2: Convert to fraction form
    121,381.03/182,097.53 = 42,497.83/x
  3. Step 3: Cross multiply
    121,381.03x = 182,097.53 × 42,497.83
  4. Step 4: Simplify right side
    121,381.03x = 7,738,749,873.36
  5. Step 5: Solve for x
    x = 7,738,749,873.36/121,381.03
  6. Step 6: Final answer
    x = 63,755.84

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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.