Home / 124,940.31-172,419.03-67,580.79

Finding the Fourth Proportional to 124,940.31, 172,419.03 and 67,580.79

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Solution

The fourth proportional to 124,940.31, 172,419.03 and 67,580.79 is: 93,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.31 : 172,419.03 = 67,580.79 : x
  2. Step 2: Convert to fraction form
    124,940.31/172,419.03 = 67,580.79/x
  3. Step 3: Cross multiply
    124,940.31x = 172,419.03 × 67,580.79
  4. Step 4: Simplify right side
    124,940.31x = 11,652,214,258.43
  5. Step 5: Solve for x
    x = 11,652,214,258.43/124,940.31
  6. Step 6: Final answer
    x = 93,262.25

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1.5x scale

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.