Home / 144,305.05-199,012.03-90,595.07

Finding the Fourth Proportional to 144,305.05, 199,012.03 and 90,595.07

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Solution

The fourth proportional to 144,305.05, 199,012.03 and 90,595.07 is: 124,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,305.05 : 199,012.03 = 90,595.07 : x
  2. Step 2: Convert to fraction form
    144,305.05/199,012.03 = 90,595.07/x
  3. Step 3: Cross multiply
    144,305.05x = 199,012.03 × 90,595.07
  4. Step 4: Simplify right side
    144,305.05x = 18,029,508,335.72
  5. Step 5: Solve for x
    x = 18,029,508,335.72/144,305.05
  6. Step 6: Final answer
    x = 124,940.25

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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.