Home / 103,995.88-143,514.72-56,249.56

Finding the Fourth Proportional to 103,995.88, 143,514.72 and 56,249.56

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Solution

The fourth proportional to 103,995.88, 143,514.72 and 56,249.56 is: 77,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995.88 : 143,514.72 = 56,249.56 : x
  2. Step 2: Convert to fraction form
    103,995.88/143,514.72 = 56,249.56/x
  3. Step 3: Cross multiply
    103,995.88x = 143,514.72 × 56,249.56
  4. Step 4: Simplify right side
    103,995.88x = 8,072,639,853.52
  5. Step 5: Solve for x
    x = 8,072,639,853.52/103,995.88
  6. Step 6: Final answer
    x = 77,624.61

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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.