Home / 223,212.17-334,883.03-81,055.13

Finding the Fourth Proportional to 223,212.17, 334,883.03 and 81,055.13

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Solution

The fourth proportional to 223,212.17, 334,883.03 and 81,055.13 is: 121,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,212.17 : 334,883.03 = 81,055.13 : x
  2. Step 2: Convert to fraction form
    223,212.17/334,883.03 = 81,055.13/x
  3. Step 3: Cross multiply
    223,212.17x = 334,883.03 × 81,055.13
  4. Step 4: Simplify right side
    223,212.17x = 27,143,985,451.75
  5. Step 5: Solve for x
    x = 27,143,985,451.75/223,212.17
  6. Step 6: Final answer
    x = 121,606.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.