Home / 162,003.46-223,564.05-90,383.56

Finding the Fourth Proportional to 162,003.46, 223,564.05 and 90,383.56

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Solution

The fourth proportional to 162,003.46, 223,564.05 and 90,383.56 is: 124,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.46 : 223,564.05 = 90,383.56 : x
  2. Step 2: Convert to fraction form
    162,003.46/223,564.05 = 90,383.56/x
  3. Step 3: Cross multiply
    162,003.46x = 223,564.05 × 90,383.56
  4. Step 4: Simplify right side
    162,003.46x = 20,206,514,727.02
  5. Step 5: Solve for x
    x = 20,206,514,727.02/162,003.46
  6. Step 6: Final answer
    x = 124,728.91

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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.