Home / 251,884.80-347,513.10-142,976.16

Finding the Fourth Proportional to 251,884.80, 347,513.10 and 142,976.16

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Solution

The fourth proportional to 251,884.80, 347,513.10 and 142,976.16 is: 197,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,884.80 : 347,513.10 = 142,976.16 : x
  2. Step 2: Convert to fraction form
    251,884.80/347,513.10 = 142,976.16/x
  3. Step 3: Cross multiply
    251,884.80x = 347,513.10 × 142,976.16
  4. Step 4: Simplify right side
    251,884.80x = 49,686,088,587.70
  5. Step 5: Solve for x
    x = 49,686,088,587.70/251,884.80
  6. Step 6: Final answer
    x = 197,257.19

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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.