Home / 252,102.69-347,897.25-137,382.35

Finding the Fourth Proportional to 252,102.69, 347,897.25 and 137,382.35

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Solution

The fourth proportional to 252,102.69, 347,897.25 and 137,382.35 is: 189,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,102.69 : 347,897.25 = 137,382.35 : x
  2. Step 2: Convert to fraction form
    252,102.69/347,897.25 = 137,382.35/x
  3. Step 3: Cross multiply
    252,102.69x = 347,897.25 × 137,382.35
  4. Step 4: Simplify right side
    252,102.69x = 47,794,940,024.05
  5. Step 5: Solve for x
    x = 47,794,940,024.05/252,102.69
  6. Step 6: Final answer
    x = 189,585.20

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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.