Home / 248,168.61-342,476.10-134,991.36

Finding the Fourth Proportional to 248,168.61, 342,476.10 and 134,991.36

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Solution

The fourth proportional to 248,168.61, 342,476.10 and 134,991.36 is: 186,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168.61 : 342,476.10 = 134,991.36 : x
  2. Step 2: Convert to fraction form
    248,168.61/342,476.10 = 134,991.36/x
  3. Step 3: Cross multiply
    248,168.61x = 342,476.10 × 134,991.36
  4. Step 4: Simplify right side
    248,168.61x = 46,231,314,506.50
  5. Step 5: Solve for x
    x = 46,231,314,506.50/248,168.61
  6. Step 6: Final answer
    x = 186,289.94

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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.