Home / 124,217.28-171,420.24-67,629

Finding the Fourth Proportional to 124,217.28, 171,420.24 and 67,629

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Solution

The fourth proportional to 124,217.28, 171,420.24 and 67,629 is: 93,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.28 : 171,420.24 = 67,629 : x
  2. Step 2: Convert to fraction form
    124,217.28/171,420.24 = 67,629/x
  3. Step 3: Cross multiply
    124,217.28x = 171,420.24 × 67,629
  4. Step 4: Simplify right side
    124,217.28x = 11,592,979,410.96
  5. Step 5: Solve for x
    x = 11,592,979,410.96/124,217.28
  6. Step 6: Final answer
    x = 93,328.23

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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.