Home / 187,903.19-281,479.25-112,982.31

Finding the Fourth Proportional to 187,903.19, 281,479.25 and 112,982.31

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Solution

The fourth proportional to 187,903.19, 281,479.25 and 112,982.31 is: 169,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,903.19 : 281,479.25 = 112,982.31 : x
  2. Step 2: Convert to fraction form
    187,903.19/281,479.25 = 112,982.31/x
  3. Step 3: Cross multiply
    187,903.19x = 281,479.25 × 112,982.31
  4. Step 4: Simplify right side
    187,903.19x = 31,802,176,164.52
  5. Step 5: Solve for x
    x = 31,802,176,164.52/187,903.19
  6. Step 6: Final answer
    x = 169,247.66

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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.