Home / 246,140.28-339,683.58-138,714.84

Finding the Fourth Proportional to 246,140.28, 339,683.58 and 138,714.84

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Solution

The fourth proportional to 246,140.28, 339,683.58 and 138,714.84 is: 191,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,140.28 : 339,683.58 = 138,714.84 : x
  2. Step 2: Convert to fraction form
    246,140.28/339,683.58 = 138,714.84/x
  3. Step 3: Cross multiply
    246,140.28x = 339,683.58 × 138,714.84
  4. Step 4: Simplify right side
    246,140.28x = 47,119,153,450.33
  5. Step 5: Solve for x
    x = 47,119,153,450.33/246,140.28
  6. Step 6: Final answer
    x = 191,432.11

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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.