Home / 126,580.10-189,704.06-93,143.60

Finding the Fourth Proportional to 126,580.10, 189,704.06 and 93,143.60

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Solution

The fourth proportional to 126,580.10, 189,704.06 and 93,143.60 is: 139,593.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,580.10 : 189,704.06 = 93,143.60 : x
  2. Step 2: Convert to fraction form
    126,580.10/189,704.06 = 93,143.60/x
  3. Step 3: Cross multiply
    126,580.10x = 189,704.06 × 93,143.60
  4. Step 4: Simplify right side
    126,580.10x = 17,669,719,083.02
  5. Step 5: Solve for x
    x = 17,669,719,083.02/126,580.10
  6. Step 6: Final answer
    x = 139,593.18

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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.