Home / 112,909.10-169,363.94-38,081.80

Finding the Fourth Proportional to 112,909.10, 169,363.94 and 38,081.80

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Solution

The fourth proportional to 112,909.10, 169,363.94 and 38,081.80 is: 57,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,909.10 : 169,363.94 = 38,081.80 : x
  2. Step 2: Convert to fraction form
    112,909.10/169,363.94 = 38,081.80/x
  3. Step 3: Cross multiply
    112,909.10x = 169,363.94 × 38,081.80
  4. Step 4: Simplify right side
    112,909.10x = 6,449,683,690.29
  5. Step 5: Solve for x
    x = 6,449,683,690.29/112,909.10
  6. Step 6: Final answer
    x = 57,122.80

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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.