Home / 146,179.65-201,725.79-81,649.81

Finding the Fourth Proportional to 146,179.65, 201,725.79 and 81,649.81

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Solution

The fourth proportional to 146,179.65, 201,725.79 and 81,649.81 is: 112,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,179.65 : 201,725.79 = 81,649.81 : x
  2. Step 2: Convert to fraction form
    146,179.65/201,725.79 = 81,649.81/x
  3. Step 3: Cross multiply
    146,179.65x = 201,725.79 × 81,649.81
  4. Step 4: Simplify right side
    146,179.65x = 16,470,871,466.50
  5. Step 5: Solve for x
    x = 16,470,871,466.50/146,179.65
  6. Step 6: Final answer
    x = 112,675.54

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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.