Home / 252,105.69-347,901.39-137,385.35

Finding the Fourth Proportional to 252,105.69, 347,901.39 and 137,385.35

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Solution

The fourth proportional to 252,105.69, 347,901.39 and 137,385.35 is: 189,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,105.69 : 347,901.39 = 137,385.35 : x
  2. Step 2: Convert to fraction form
    252,105.69/347,901.39 = 137,385.35/x
  3. Step 3: Cross multiply
    252,105.69x = 347,901.39 × 137,385.35
  4. Step 4: Simplify right side
    252,105.69x = 47,796,552,491.13
  5. Step 5: Solve for x
    x = 47,796,552,491.13/252,105.69
  6. Step 6: Final answer
    x = 189,589.34

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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.