Home / 145,690.76-201,053.94-82,029.62

Finding the Fourth Proportional to 145,690.76, 201,053.94 and 82,029.62

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Solution

The fourth proportional to 145,690.76, 201,053.94 and 82,029.62 is: 113,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690.76 : 201,053.94 = 82,029.62 : x
  2. Step 2: Convert to fraction form
    145,690.76/201,053.94 = 82,029.62/x
  3. Step 3: Cross multiply
    145,690.76x = 201,053.94 × 82,029.62
  4. Step 4: Simplify right side
    145,690.76x = 16,492,378,297.70
  5. Step 5: Solve for x
    x = 16,492,378,297.70/145,690.76
  6. Step 6: Final answer
    x = 113,201.26

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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.