Home / 210,452.82-290,520.47-134,076.63

Finding the Fourth Proportional to 210,452.82, 290,520.47 and 134,076.63

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Solution

The fourth proportional to 210,452.82, 290,520.47 and 134,076.63 is: 185,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,452.82 : 290,520.47 = 134,076.63 : x
  2. Step 2: Convert to fraction form
    210,452.82/290,520.47 = 134,076.63/x
  3. Step 3: Cross multiply
    210,452.82x = 290,520.47 × 134,076.63
  4. Step 4: Simplify right side
    210,452.82x = 38,952,006,988.26
  5. Step 5: Solve for x
    x = 38,952,006,988.26/210,452.82
  6. Step 6: Final answer
    x = 185,086.65

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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.