Home / 162,708.40-224,564.46-111,679.21

Finding the Fourth Proportional to 162,708.40, 224,564.46 and 111,679.21

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Solution

The fourth proportional to 162,708.40, 224,564.46 and 111,679.21 is: 154,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,708.40 : 224,564.46 = 111,679.21 : x
  2. Step 2: Convert to fraction form
    162,708.40/224,564.46 = 111,679.21/x
  3. Step 3: Cross multiply
    162,708.40x = 224,564.46 × 111,679.21
  4. Step 4: Simplify right side
    162,708.40x = 25,079,181,486.88
  5. Step 5: Solve for x
    x = 25,079,181,486.88/162,708.40
  6. Step 6: Final answer
    x = 154,135.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.