Home / 210,101.91-289,845.30-124,002.48

Finding the Fourth Proportional to 210,101.91, 289,845.30 and 124,002.48

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Solution

The fourth proportional to 210,101.91, 289,845.30 and 124,002.48 is: 171,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,101.91 : 289,845.30 = 124,002.48 : x
  2. Step 2: Convert to fraction form
    210,101.91/289,845.30 = 124,002.48/x
  3. Step 3: Cross multiply
    210,101.91x = 289,845.30 × 124,002.48
  4. Step 4: Simplify right side
    210,101.91x = 35,941,536,016.34
  5. Step 5: Solve for x
    x = 35,941,536,016.34/210,101.91
  6. Step 6: Final answer
    x = 171,067.16

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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.