Home / 253,821.52-350,276.08-140,646.72

Finding the Fourth Proportional to 253,821.52, 350,276.08 and 140,646.72

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Solution

The fourth proportional to 253,821.52, 350,276.08 and 140,646.72 is: 194,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,821.52 : 350,276.08 = 140,646.72 : x
  2. Step 2: Convert to fraction form
    253,821.52/350,276.08 = 140,646.72/x
  3. Step 3: Cross multiply
    253,821.52x = 350,276.08 × 140,646.72
  4. Step 4: Simplify right side
    253,821.52x = 49,265,181,746.46
  5. Step 5: Solve for x
    x = 49,265,181,746.46/253,821.52
  6. Step 6: Final answer
    x = 194,093.79

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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.