Home / 210,179.43-315,437.28-110,398.47

Finding the Fourth Proportional to 210,179.43, 315,437.28 and 110,398.47

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Solution

The fourth proportional to 210,179.43, 315,437.28 and 110,398.47 is: 165,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,179.43 : 315,437.28 = 110,398.47 : x
  2. Step 2: Convert to fraction form
    210,179.43/315,437.28 = 110,398.47/x
  3. Step 3: Cross multiply
    210,179.43x = 315,437.28 × 110,398.47
  4. Step 4: Simplify right side
    210,179.43x = 34,823,793,092.96
  5. Step 5: Solve for x
    x = 34,823,793,092.96/210,179.43
  6. Step 6: Final answer
    x = 165,686.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.