Home / 149,721.40-224,279.70-93,388.60

Finding the Fourth Proportional to 149,721.40, 224,279.70 and 93,388.60

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Solution

The fourth proportional to 149,721.40, 224,279.70 and 93,388.60 is: 139,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,721.40 : 224,279.70 = 93,388.60 : x
  2. Step 2: Convert to fraction form
    149,721.40/224,279.70 = 93,388.60/x
  3. Step 3: Cross multiply
    149,721.40x = 224,279.70 × 93,388.60
  4. Step 4: Simplify right side
    149,721.40x = 20,945,167,191.42
  5. Step 5: Solve for x
    x = 20,945,167,191.42/149,721.40
  6. Step 6: Final answer
    x = 139,894.28

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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.