Home / 144,410.68-199,336.92-99,238.20

Finding the Fourth Proportional to 144,410.68, 199,336.92 and 99,238.20

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Solution

The fourth proportional to 144,410.68, 199,336.92 and 99,238.20 is: 136,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,410.68 : 199,336.92 = 99,238.20 : x
  2. Step 2: Convert to fraction form
    144,410.68/199,336.92 = 99,238.20/x
  3. Step 3: Cross multiply
    144,410.68x = 199,336.92 × 99,238.20
  4. Step 4: Simplify right side
    144,410.68x = 19,781,837,134.34
  5. Step 5: Solve for x
    x = 19,781,837,134.34/144,410.68
  6. Step 6: Final answer
    x = 136,983.20

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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.