Home / 255,217.89-352,188.61-140,494.20

Finding the Fourth Proportional to 255,217.89, 352,188.61 and 140,494.20

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Solution

The fourth proportional to 255,217.89, 352,188.61 and 140,494.20 is: 193,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,217.89 : 352,188.61 = 140,494.20 : x
  2. Step 2: Convert to fraction form
    255,217.89/352,188.61 = 140,494.20/x
  3. Step 3: Cross multiply
    255,217.89x = 352,188.61 × 140,494.20
  4. Step 4: Simplify right side
    255,217.89x = 49,480,455,339.12
  5. Step 5: Solve for x
    x = 49,480,455,339.12/255,217.89
  6. Step 6: Final answer
    x = 193,875.34

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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.