Home / 102,682.20-153,857.70-58,176.60

Finding the Fourth Proportional to 102,682.20, 153,857.70 and 58,176.60

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Solution

The fourth proportional to 102,682.20, 153,857.70 and 58,176.60 is: 87,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,682.20 : 153,857.70 = 58,176.60 : x
  2. Step 2: Convert to fraction form
    102,682.20/153,857.70 = 58,176.60/x
  3. Step 3: Cross multiply
    102,682.20x = 153,857.70 × 58,176.60
  4. Step 4: Simplify right side
    102,682.20x = 8,950,917,869.82
  5. Step 5: Solve for x
    x = 8,950,917,869.82/102,682.20
  6. Step 6: Final answer
    x = 87,171.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.