Home / 121,353.68-182,089.20-49,304.72

Finding the Fourth Proportional to 121,353.68, 182,089.20 and 49,304.72

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Solution

The fourth proportional to 121,353.68, 182,089.20 and 49,304.72 is: 73,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,353.68 : 182,089.20 = 49,304.72 : x
  2. Step 2: Convert to fraction form
    121,353.68/182,089.20 = 49,304.72/x
  3. Step 3: Cross multiply
    121,353.68x = 182,089.20 × 49,304.72
  4. Step 4: Simplify right side
    121,353.68x = 8,977,857,021.02
  5. Step 5: Solve for x
    x = 8,977,857,021.02/121,353.68
  6. Step 6: Final answer
    x = 73,980.92

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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.