Home / 169,208.19-253,633.68-56,781.81

Finding the Fourth Proportional to 169,208.19, 253,633.68 and 56,781.81

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Solution

The fourth proportional to 169,208.19, 253,633.68 and 56,781.81 is: 85,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,208.19 : 253,633.68 = 56,781.81 : x
  2. Step 2: Convert to fraction form
    169,208.19/253,633.68 = 56,781.81/x
  3. Step 3: Cross multiply
    169,208.19x = 253,633.68 × 56,781.81
  4. Step 4: Simplify right side
    169,208.19x = 14,401,779,427.36
  5. Step 5: Solve for x
    x = 14,401,779,427.36/169,208.19
  6. Step 6: Final answer
    x = 85,112.78

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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.