Home / 121,642.23-182,480.82-37,409.49

Finding the Fourth Proportional to 121,642.23, 182,480.82 and 37,409.49

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Solution

The fourth proportional to 121,642.23, 182,480.82 and 37,409.49 is: 56,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,642.23 : 182,480.82 = 37,409.49 : x
  2. Step 2: Convert to fraction form
    121,642.23/182,480.82 = 37,409.49/x
  3. Step 3: Cross multiply
    121,642.23x = 182,480.82 × 37,409.49
  4. Step 4: Simplify right side
    121,642.23x = 6,826,514,410.98
  5. Step 5: Solve for x
    x = 6,826,514,410.98/121,642.23
  6. Step 6: Final answer
    x = 56,119.61

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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.