Home / 218,933.82-302,129.19-118,331.82

Finding the Fourth Proportional to 218,933.82, 302,129.19 and 118,331.82

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Solution

The fourth proportional to 218,933.82, 302,129.19 and 118,331.82 is: 163,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,933.82 : 302,129.19 = 118,331.82 : x
  2. Step 2: Convert to fraction form
    218,933.82/302,129.19 = 118,331.82/x
  3. Step 3: Cross multiply
    218,933.82x = 302,129.19 × 118,331.82
  4. Step 4: Simplify right side
    218,933.82x = 35,751,496,927.83
  5. Step 5: Solve for x
    x = 35,751,496,927.83/218,933.82
  6. Step 6: Final answer
    x = 163,298.19

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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.