Home / 187,741.80-281,693.70-108,923.40

Finding the Fourth Proportional to 187,741.80, 281,693.70 and 108,923.40

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Solution

The fourth proportional to 187,741.80, 281,693.70 and 108,923.40 is: 163,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,741.80 : 281,693.70 = 108,923.40 : x
  2. Step 2: Convert to fraction form
    187,741.80/281,693.70 = 108,923.40/x
  3. Step 3: Cross multiply
    187,741.80x = 281,693.70 × 108,923.40
  4. Step 4: Simplify right side
    187,741.80x = 30,683,035,562.58
  5. Step 5: Solve for x
    x = 30,683,035,562.58/187,741.80
  6. Step 6: Final answer
    x = 163,432.09

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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.