Home / 109,685.88-164,528.84-39,565.18

Finding the Fourth Proportional to 109,685.88, 164,528.84 and 39,565.18

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Solution

The fourth proportional to 109,685.88, 164,528.84 and 39,565.18 is: 59,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.88 : 164,528.84 = 39,565.18 : x
  2. Step 2: Convert to fraction form
    109,685.88/164,528.84 = 39,565.18/x
  3. Step 3: Cross multiply
    109,685.88x = 164,528.84 × 39,565.18
  4. Step 4: Simplify right side
    109,685.88x = 6,509,613,169.79
  5. Step 5: Solve for x
    x = 6,509,613,169.79/109,685.88
  6. Step 6: Final answer
    x = 59,347.78

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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.