Home / 119,625.31-179,268.69-66,340.72

Finding the Fourth Proportional to 119,625.31, 179,268.69 and 66,340.72

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Solution

The fourth proportional to 119,625.31, 179,268.69 and 66,340.72 is: 99,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,625.31 : 179,268.69 = 66,340.72 : x
  2. Step 2: Convert to fraction form
    119,625.31/179,268.69 = 66,340.72/x
  3. Step 3: Cross multiply
    119,625.31x = 179,268.69 × 66,340.72
  4. Step 4: Simplify right side
    119,625.31x = 11,892,814,440.92
  5. Step 5: Solve for x
    x = 11,892,814,440.92/119,625.31
  6. Step 6: Final answer
    x = 99,417.21

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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.