Home / 243,826.88-336,494.16-136,390.51

Finding the Fourth Proportional to 243,826.88, 336,494.16 and 136,390.51

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Solution

The fourth proportional to 243,826.88, 336,494.16 and 136,390.51 is: 188,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,826.88 : 336,494.16 = 136,390.51 : x
  2. Step 2: Convert to fraction form
    243,826.88/336,494.16 = 136,390.51/x
  3. Step 3: Cross multiply
    243,826.88x = 336,494.16 × 136,390.51
  4. Step 4: Simplify right side
    243,826.88x = 45,894,610,094.42
  5. Step 5: Solve for x
    x = 45,894,610,094.42/243,826.88
  6. Step 6: Final answer
    x = 188,226.21

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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.