Home / 146,116.74-201,639.11-81,586.97

Finding the Fourth Proportional to 146,116.74, 201,639.11 and 81,586.97

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Solution

The fourth proportional to 146,116.74, 201,639.11 and 81,586.97 is: 112,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,116.74 : 201,639.11 = 81,586.97 : x
  2. Step 2: Convert to fraction form
    146,116.74/201,639.11 = 81,586.97/x
  3. Step 3: Cross multiply
    146,116.74x = 201,639.11 × 81,586.97
  4. Step 4: Simplify right side
    146,116.74x = 16,451,124,018.40
  5. Step 5: Solve for x
    x = 16,451,124,018.40/146,116.74
  6. Step 6: Final answer
    x = 112,588.91

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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.