Home / 126,875.92-190,431.96-64,593.04

Finding the Fourth Proportional to 126,875.92, 190,431.96 and 64,593.04

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Solution

The fourth proportional to 126,875.92, 190,431.96 and 64,593.04 is: 96,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,875.92 : 190,431.96 = 64,593.04 : x
  2. Step 2: Convert to fraction form
    126,875.92/190,431.96 = 64,593.04/x
  3. Step 3: Cross multiply
    126,875.92x = 190,431.96 × 64,593.04
  4. Step 4: Simplify right side
    126,875.92x = 12,300,579,209.56
  5. Step 5: Solve for x
    x = 12,300,579,209.56/126,875.92
  6. Step 6: Final answer
    x = 96,949.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.