Home / 253,608.74-349,975.77-140,429.06

Finding the Fourth Proportional to 253,608.74, 349,975.77 and 140,429.06

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Solution

The fourth proportional to 253,608.74, 349,975.77 and 140,429.06 is: 193,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,608.74 : 349,975.77 = 140,429.06 : x
  2. Step 2: Convert to fraction form
    253,608.74/349,975.77 = 140,429.06/x
  3. Step 3: Cross multiply
    253,608.74x = 349,975.77 × 140,429.06
  4. Step 4: Simplify right side
    253,608.74x = 49,146,766,654.00
  5. Step 5: Solve for x
    x = 49,146,766,654.00/253,608.74
  6. Step 6: Final answer
    x = 193,789.72

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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.