Home / 247,921.02-342,131.05-134,743.78

Finding the Fourth Proportional to 247,921.02, 342,131.05 and 134,743.78

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Solution

The fourth proportional to 247,921.02, 342,131.05 and 134,743.78 is: 185,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,921.02 : 342,131.05 = 134,743.78 : x
  2. Step 2: Convert to fraction form
    247,921.02/342,131.05 = 134,743.78/x
  3. Step 3: Cross multiply
    247,921.02x = 342,131.05 × 134,743.78
  4. Step 4: Simplify right side
    247,921.02x = 46,100,030,932.37
  5. Step 5: Solve for x
    x = 46,100,030,932.37/247,921.02
  6. Step 6: Final answer
    x = 185,946.44

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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.