Home / 213,864.42-295,060.84-123,218.13

Finding the Fourth Proportional to 213,864.42, 295,060.84 and 123,218.13

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Solution

The fourth proportional to 213,864.42, 295,060.84 and 123,218.13 is: 169,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,864.42 : 295,060.84 = 123,218.13 : x
  2. Step 2: Convert to fraction form
    213,864.42/295,060.84 = 123,218.13/x
  3. Step 3: Cross multiply
    213,864.42x = 295,060.84 × 123,218.13
  4. Step 4: Simplify right side
    213,864.42x = 36,356,845,739.46
  5. Step 5: Solve for x
    x = 36,356,845,739.46/213,864.42
  6. Step 6: Final answer
    x = 169,999.50

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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.