Home / 248,121.90-342,398.34-134,944.74

Finding the Fourth Proportional to 248,121.90, 342,398.34 and 134,944.74

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Solution

The fourth proportional to 248,121.90, 342,398.34 and 134,944.74 is: 186,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,121.90 : 342,398.34 = 134,944.74 : x
  2. Step 2: Convert to fraction form
    248,121.90/342,398.34 = 134,944.74/x
  3. Step 3: Cross multiply
    248,121.90x = 342,398.34 × 134,944.74
  4. Step 4: Simplify right side
    248,121.90x = 46,204,854,967.73
  5. Step 5: Solve for x
    x = 46,204,854,967.73/248,121.90
  6. Step 6: Final answer
    x = 186,218.37

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1.5x scale

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.