Home / 252,125.54-347,933.30-137,404.21

Finding the Fourth Proportional to 252,125.54, 347,933.30 and 137,404.21

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Solution

The fourth proportional to 252,125.54, 347,933.30 and 137,404.21 is: 189,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,125.54 : 347,933.30 = 137,404.21 : x
  2. Step 2: Convert to fraction form
    252,125.54/347,933.30 = 137,404.21/x
  3. Step 3: Cross multiply
    252,125.54x = 347,933.30 × 137,404.21
  4. Step 4: Simplify right side
    252,125.54x = 47,807,500,219.19
  5. Step 5: Solve for x
    x = 47,807,500,219.19/252,125.54
  6. Step 6: Final answer
    x = 189,617.84

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1.5x scale

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.