Home / 193,042.98-289,665.45-140,171.70

Finding the Fourth Proportional to 193,042.98, 289,665.45 and 140,171.70

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Solution

The fourth proportional to 193,042.98, 289,665.45 and 140,171.70 is: 210,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,042.98 : 289,665.45 = 140,171.70 : x
  2. Step 2: Convert to fraction form
    193,042.98/289,665.45 = 140,171.70/x
  3. Step 3: Cross multiply
    193,042.98x = 289,665.45 × 140,171.70
  4. Step 4: Simplify right side
    193,042.98x = 40,602,898,557.77
  5. Step 5: Solve for x
    x = 40,602,898,557.77/193,042.98
  6. Step 6: Final answer
    x = 210,330.87

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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.