Home / 102,234.24-141,086.40-55,670.20

Finding the Fourth Proportional to 102,234.24, 141,086.40 and 55,670.20

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Solution

The fourth proportional to 102,234.24, 141,086.40 and 55,670.20 is: 76,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,234.24 : 141,086.40 = 55,670.20 : x
  2. Step 2: Convert to fraction form
    102,234.24/141,086.40 = 55,670.20/x
  3. Step 3: Cross multiply
    102,234.24x = 141,086.40 × 55,670.20
  4. Step 4: Simplify right side
    102,234.24x = 7,854,308,105.28
  5. Step 5: Solve for x
    x = 7,854,308,105.28/102,234.24
  6. Step 6: Final answer
    x = 76,826.59

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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.