Home / 243,822.24-336,487.77-136,385.87

Finding the Fourth Proportional to 243,822.24, 336,487.77 and 136,385.87

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Solution

The fourth proportional to 243,822.24, 336,487.77 and 136,385.87 is: 188,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,822.24 : 336,487.77 = 136,385.87 : x
  2. Step 2: Convert to fraction form
    243,822.24/336,487.77 = 136,385.87/x
  3. Step 3: Cross multiply
    243,822.24x = 336,487.77 × 136,385.87
  4. Step 4: Simplify right side
    243,822.24x = 45,892,175,573.37
  5. Step 5: Solve for x
    x = 45,892,175,573.37/243,822.24
  6. Step 6: Final answer
    x = 188,219.81

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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.