Home / 121,423.59-182,091.65-51,308.37

Finding the Fourth Proportional to 121,423.59, 182,091.65 and 51,308.37

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Solution

The fourth proportional to 121,423.59, 182,091.65 and 51,308.37 is: 76,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,423.59 : 182,091.65 = 51,308.37 : x
  2. Step 2: Convert to fraction form
    121,423.59/182,091.65 = 51,308.37/x
  3. Step 3: Cross multiply
    121,423.59x = 182,091.65 × 51,308.37
  4. Step 4: Simplify right side
    121,423.59x = 9,342,825,495.57
  5. Step 5: Solve for x
    x = 9,342,825,495.57/121,423.59
  6. Step 6: Final answer
    x = 76,944.07

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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.