Home / 154,610.13-213,267.68-102,221.93

Finding the Fourth Proportional to 154,610.13, 213,267.68 and 102,221.93

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Solution

The fourth proportional to 154,610.13, 213,267.68 and 102,221.93 is: 141,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,610.13 : 213,267.68 = 102,221.93 : x
  2. Step 2: Convert to fraction form
    154,610.13/213,267.68 = 102,221.93/x
  3. Step 3: Cross multiply
    154,610.13x = 213,267.68 × 102,221.93
  4. Step 4: Simplify right side
    154,610.13x = 21,800,632,278.77
  5. Step 5: Solve for x
    x = 21,800,632,278.77/154,610.13
  6. Step 6: Final answer
    x = 141,003.91

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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.