Home / 87,185.80-120,316.98-49,460.68

Finding the Fourth Proportional to 87,185.80, 120,316.98 and 49,460.68

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Solution

The fourth proportional to 87,185.80, 120,316.98 and 49,460.68 is: 68,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,185.80 : 120,316.98 = 49,460.68 : x
  2. Step 2: Convert to fraction form
    87,185.80/120,316.98 = 49,460.68/x
  3. Step 3: Cross multiply
    87,185.80x = 120,316.98 × 49,460.68
  4. Step 4: Simplify right side
    87,185.80x = 5,950,959,646.35
  5. Step 5: Solve for x
    x = 5,950,959,646.35/87,185.80
  6. Step 6: Final answer
    x = 68,256.07

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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.