Home / 248,487.09-342,926.63-187,123.43

Finding the Fourth Proportional to 248,487.09, 342,926.63 and 187,123.43

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Solution

The fourth proportional to 248,487.09, 342,926.63 and 187,123.43 is: 258,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,487.09 : 342,926.63 = 187,123.43 : x
  2. Step 2: Convert to fraction form
    248,487.09/342,926.63 = 187,123.43/x
  3. Step 3: Cross multiply
    248,487.09x = 342,926.63 × 187,123.43
  4. Step 4: Simplify right side
    248,487.09x = 64,169,604,593.69
  5. Step 5: Solve for x
    x = 64,169,604,593.69/248,487.09
  6. Step 6: Final answer
    x = 258,241.20

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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.