Home / 144,930.68-200,004.34-81,268.48

Finding the Fourth Proportional to 144,930.68, 200,004.34 and 81,268.48

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Solution

The fourth proportional to 144,930.68, 200,004.34 and 81,268.48 is: 112,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,930.68 : 200,004.34 = 81,268.48 : x
  2. Step 2: Convert to fraction form
    144,930.68/200,004.34 = 81,268.48/x
  3. Step 3: Cross multiply
    144,930.68x = 200,004.34 × 81,268.48
  4. Step 4: Simplify right side
    144,930.68x = 16,254,048,705.20
  5. Step 5: Solve for x
    x = 16,254,048,705.20/144,930.68
  6. Step 6: Final answer
    x = 112,150.50

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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.