Home / 187,910.69-281,822.90-112,030.70

Finding the Fourth Proportional to 187,910.69, 281,822.90 and 112,030.70

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Solution

The fourth proportional to 187,910.69, 281,822.90 and 112,030.70 is: 168,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,910.69 : 281,822.90 = 112,030.70 : x
  2. Step 2: Convert to fraction form
    187,910.69/281,822.90 = 112,030.70/x
  3. Step 3: Cross multiply
    187,910.69x = 281,822.90 × 112,030.70
  4. Step 4: Simplify right side
    187,910.69x = 31,572,814,793.76
  5. Step 5: Solve for x
    x = 31,572,814,793.76/187,910.69
  6. Step 6: Final answer
    x = 168,020.33

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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.