Home / 218,186.42-301,095.37-122,691.07

Finding the Fourth Proportional to 218,186.42, 301,095.37 and 122,691.07

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Solution

The fourth proportional to 218,186.42, 301,095.37 and 122,691.07 is: 169,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,186.42 : 301,095.37 = 122,691.07 : x
  2. Step 2: Convert to fraction form
    218,186.42/301,095.37 = 122,691.07/x
  3. Step 3: Cross multiply
    218,186.42x = 301,095.37 × 122,691.07
  4. Step 4: Simplify right side
    218,186.42x = 36,941,713,117.35
  5. Step 5: Solve for x
    x = 36,941,713,117.35/218,186.42
  6. Step 6: Final answer
    x = 169,312.61

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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.