Home / 255,177.12-352,141.63-140,453.30

Finding the Fourth Proportional to 255,177.12, 352,141.63 and 140,453.30

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Solution

The fourth proportional to 255,177.12, 352,141.63 and 140,453.30 is: 193,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,177.12 : 352,141.63 = 140,453.30 : x
  2. Step 2: Convert to fraction form
    255,177.12/352,141.63 = 140,453.30/x
  3. Step 3: Cross multiply
    255,177.12x = 352,141.63 × 140,453.30
  4. Step 4: Simplify right side
    255,177.12x = 49,459,454,000.88
  5. Step 5: Solve for x
    x = 49,459,454,000.88/255,177.12
  6. Step 6: Final answer
    x = 193,824.02

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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.