Home / 218,531.16-301,554.63-133,631.82

Finding the Fourth Proportional to 218,531.16, 301,554.63 and 133,631.82

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Solution

The fourth proportional to 218,531.16, 301,554.63 and 133,631.82 is: 184,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,531.16 : 301,554.63 = 133,631.82 : x
  2. Step 2: Convert to fraction form
    218,531.16/301,554.63 = 133,631.82/x
  3. Step 3: Cross multiply
    218,531.16x = 301,554.63 × 133,631.82
  4. Step 4: Simplify right side
    218,531.16x = 40,297,294,036.33
  5. Step 5: Solve for x
    x = 40,297,294,036.33/218,531.16
  6. Step 6: Final answer
    x = 184,400.68

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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.