Home / 102,175.14-140,997.84-56,854.82

Finding the Fourth Proportional to 102,175.14, 140,997.84 and 56,854.82

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Solution

The fourth proportional to 102,175.14, 140,997.84 and 56,854.82 is: 78,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,175.14 : 140,997.84 = 56,854.82 : x
  2. Step 2: Convert to fraction form
    102,175.14/140,997.84 = 56,854.82/x
  3. Step 3: Cross multiply
    102,175.14x = 140,997.84 × 56,854.82
  4. Step 4: Simplify right side
    102,175.14x = 8,016,406,813.59
  5. Step 5: Solve for x
    x = 8,016,406,813.59/102,175.14
  6. Step 6: Final answer
    x = 78,457.51

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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.