Home / 250,193.61-345,181.50-142,686.36

Finding the Fourth Proportional to 250,193.61, 345,181.50 and 142,686.36

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Solution

The fourth proportional to 250,193.61, 345,181.50 and 142,686.36 is: 196,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,193.61 : 345,181.50 = 142,686.36 : x
  2. Step 2: Convert to fraction form
    250,193.61/345,181.50 = 142,686.36/x
  3. Step 3: Cross multiply
    250,193.61x = 345,181.50 × 142,686.36
  4. Step 4: Simplify right side
    250,193.61x = 49,252,691,774.34
  5. Step 5: Solve for x
    x = 49,252,691,774.34/250,193.61
  6. Step 6: Final answer
    x = 196,858.31

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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.