Home / 104,389.12-144,032-59,665.92

Finding the Fourth Proportional to 104,389.12, 144,032 and 59,665.92

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Solution

The fourth proportional to 104,389.12, 144,032 and 59,665.92 is: 82,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,389.12 : 144,032 = 59,665.92 : x
  2. Step 2: Convert to fraction form
    104,389.12/144,032 = 59,665.92/x
  3. Step 3: Cross multiply
    104,389.12x = 144,032 × 59,665.92
  4. Step 4: Simplify right side
    104,389.12x = 8,593,801,789.44
  5. Step 5: Solve for x
    x = 8,593,801,789.44/104,389.12
  6. Step 6: Final answer
    x = 82,324.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.