Home / 255,425.06-352,514.27-140,715.46

Finding the Fourth Proportional to 255,425.06, 352,514.27 and 140,715.46

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Solution

The fourth proportional to 255,425.06, 352,514.27 and 140,715.46 is: 194,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,425.06 : 352,514.27 = 140,715.46 : x
  2. Step 2: Convert to fraction form
    255,425.06/352,514.27 = 140,715.46/x
  3. Step 3: Cross multiply
    255,425.06x = 352,514.27 × 140,715.46
  4. Step 4: Simplify right side
    255,425.06x = 49,604,207,659.61
  5. Step 5: Solve for x
    x = 49,604,207,659.61/255,425.06
  6. Step 6: Final answer
    x = 194,202.59

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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.