Home / 218,381.18-301,365.89-122,887.96

Finding the Fourth Proportional to 218,381.18, 301,365.89 and 122,887.96

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Solution

The fourth proportional to 218,381.18, 301,365.89 and 122,887.96 is: 169,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,381.18 : 301,365.89 = 122,887.96 : x
  2. Step 2: Convert to fraction form
    218,381.18/301,365.89 = 122,887.96/x
  3. Step 3: Cross multiply
    218,381.18x = 301,365.89 × 122,887.96
  4. Step 4: Simplify right side
    218,381.18x = 37,034,238,528.66
  5. Step 5: Solve for x
    x = 37,034,238,528.66/218,381.18
  6. Step 6: Final answer
    x = 169,585.31

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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.