Home / 252,105.19-347,900.70-137,384.86

Finding the Fourth Proportional to 252,105.19, 347,900.70 and 137,384.86

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Solution

The fourth proportional to 252,105.19, 347,900.70 and 137,384.86 is: 189,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,105.19 : 347,900.70 = 137,384.86 : x
  2. Step 2: Convert to fraction form
    252,105.19/347,900.70 = 137,384.86/x
  3. Step 3: Cross multiply
    252,105.19x = 347,900.70 × 137,384.86
  4. Step 4: Simplify right side
    252,105.19x = 47,796,288,963.40
  5. Step 5: Solve for x
    x = 47,796,288,963.40/252,105.19
  6. Step 6: Final answer
    x = 189,588.68

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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.