Home / 112,683.25-169,051.55-36,781.39

Finding the Fourth Proportional to 112,683.25, 169,051.55 and 36,781.39

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Solution

The fourth proportional to 112,683.25, 169,051.55 and 36,781.39 is: 55,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683.25 : 169,051.55 = 36,781.39 : x
  2. Step 2: Convert to fraction form
    112,683.25/169,051.55 = 36,781.39/x
  3. Step 3: Cross multiply
    112,683.25x = 169,051.55 × 36,781.39
  4. Step 4: Simplify right side
    112,683.25x = 6,217,950,990.65
  5. Step 5: Solve for x
    x = 6,217,950,990.65/112,683.25
  6. Step 6: Final answer
    x = 55,180.79

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1.5x scale

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.