Home / 243,826.63-336,493.82-136,390.26

Finding the Fourth Proportional to 243,826.63, 336,493.82 and 136,390.26

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Solution

The fourth proportional to 243,826.63, 336,493.82 and 136,390.26 is: 188,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,826.63 : 336,493.82 = 136,390.26 : x
  2. Step 2: Convert to fraction form
    243,826.63/336,493.82 = 136,390.26/x
  3. Step 3: Cross multiply
    243,826.63x = 336,493.82 × 136,390.26
  4. Step 4: Simplify right side
    243,826.63x = 45,894,479,598.19
  5. Step 5: Solve for x
    x = 45,894,479,598.19/243,826.63
  6. Step 6: Final answer
    x = 188,225.87

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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.