Home / 144,930.40-200,003.98-81,268.24

Finding the Fourth Proportional to 144,930.40, 200,003.98 and 81,268.24

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Solution

The fourth proportional to 144,930.40, 200,003.98 and 81,268.24 is: 112,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,930.40 : 200,003.98 = 81,268.24 : x
  2. Step 2: Convert to fraction form
    144,930.40/200,003.98 = 81,268.24/x
  3. Step 3: Cross multiply
    144,930.40x = 200,003.98 × 81,268.24
  4. Step 4: Simplify right side
    144,930.40x = 16,253,971,447.60
  5. Step 5: Solve for x
    x = 16,253,971,447.60/144,930.40
  6. Step 6: Final answer
    x = 112,150.19

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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.