Home / 144,279.13-199,101.48-80,617.45

Finding the Fourth Proportional to 144,279.13, 199,101.48 and 80,617.45

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Solution

The fourth proportional to 144,279.13, 199,101.48 and 80,617.45 is: 111,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,279.13 : 199,101.48 = 80,617.45 : x
  2. Step 2: Convert to fraction form
    144,279.13/199,101.48 = 80,617.45/x
  3. Step 3: Cross multiply
    144,279.13x = 199,101.48 × 80,617.45
  4. Step 4: Simplify right side
    144,279.13x = 16,051,052,613.32
  5. Step 5: Solve for x
    x = 16,051,052,613.32/144,279.13
  6. Step 6: Final answer
    x = 111,250.00

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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.