Home / 121,408.20-182,025.90-46,499.40

Finding the Fourth Proportional to 121,408.20, 182,025.90 and 46,499.40

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Solution

The fourth proportional to 121,408.20, 182,025.90 and 46,499.40 is: 69,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,408.20 : 182,025.90 = 46,499.40 : x
  2. Step 2: Convert to fraction form
    121,408.20/182,025.90 = 46,499.40/x
  3. Step 3: Cross multiply
    121,408.20x = 182,025.90 × 46,499.40
  4. Step 4: Simplify right side
    121,408.20x = 8,464,095,134.46
  5. Step 5: Solve for x
    x = 8,464,095,134.46/121,408.20
  6. Step 6: Final answer
    x = 69,716.01

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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.