Home / 192,643.28-288,893.09-66,247.74

Finding the Fourth Proportional to 192,643.28, 288,893.09 and 66,247.74

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Solution

The fourth proportional to 192,643.28, 288,893.09 and 66,247.74 is: 99,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,643.28 : 288,893.09 = 66,247.74 : x
  2. Step 2: Convert to fraction form
    192,643.28/288,893.09 = 66,247.74/x
  3. Step 3: Cross multiply
    192,643.28x = 288,893.09 × 66,247.74
  4. Step 4: Simplify right side
    192,643.28x = 19,138,514,314.12
  5. Step 5: Solve for x
    x = 19,138,514,314.12/192,643.28
  6. Step 6: Final answer
    x = 99,346.91

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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.