Home / 146,011.85-201,495.96-81,480.41

Finding the Fourth Proportional to 146,011.85, 201,495.96 and 81,480.41

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Solution

The fourth proportional to 146,011.85, 201,495.96 and 81,480.41 is: 112,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,011.85 : 201,495.96 = 81,480.41 : x
  2. Step 2: Convert to fraction form
    146,011.85/201,495.96 = 81,480.41/x
  3. Step 3: Cross multiply
    146,011.85x = 201,495.96 × 81,480.41
  4. Step 4: Simplify right side
    146,011.85x = 16,417,972,844.73
  5. Step 5: Solve for x
    x = 16,417,972,844.73/146,011.85
  6. Step 6: Final answer
    x = 112,442.74

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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.