Home / 121,508.07-182,498.64-99,035.37

Finding the Fourth Proportional to 121,508.07, 182,498.64 and 99,035.37

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Solution

The fourth proportional to 121,508.07, 182,498.64 and 99,035.37 is: 148,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,508.07 : 182,498.64 = 99,035.37 : x
  2. Step 2: Convert to fraction form
    121,508.07/182,498.64 = 99,035.37/x
  3. Step 3: Cross multiply
    121,508.07x = 182,498.64 × 99,035.37
  4. Step 4: Simplify right side
    121,508.07x = 18,073,820,336.90
  5. Step 5: Solve for x
    x = 18,073,820,336.90/121,508.07
  6. Step 6: Final answer
    x = 148,745.84

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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.