Home / 248,505.18-342,951.56-187,141.51

Finding the Fourth Proportional to 248,505.18, 342,951.56 and 187,141.51

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Solution

The fourth proportional to 248,505.18, 342,951.56 and 187,141.51 is: 258,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,505.18 : 342,951.56 = 187,141.51 : x
  2. Step 2: Convert to fraction form
    248,505.18/342,951.56 = 187,141.51/x
  3. Step 3: Cross multiply
    248,505.18x = 342,951.56 × 187,141.51
  4. Step 4: Simplify right side
    248,505.18x = 64,180,472,795.26
  5. Step 5: Solve for x
    x = 64,180,472,795.26/248,505.18
  6. Step 6: Final answer
    x = 258,266.14

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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.