Home / 219,481.34-302,908.80-123,994.16

Finding the Fourth Proportional to 219,481.34, 302,908.80 and 123,994.16

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Solution

The fourth proportional to 219,481.34, 302,908.80 and 123,994.16 is: 171,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,481.34 : 302,908.80 = 123,994.16 : x
  2. Step 2: Convert to fraction form
    219,481.34/302,908.80 = 123,994.16/x
  3. Step 3: Cross multiply
    219,481.34x = 302,908.80 × 123,994.16
  4. Step 4: Simplify right side
    219,481.34x = 37,558,922,212.61
  5. Step 5: Solve for x
    x = 37,558,922,212.61/219,481.34
  6. Step 6: Final answer
    x = 171,125.81

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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.