Home / 121,224.24-167,289.03-67,509.90

Finding the Fourth Proportional to 121,224.24, 167,289.03 and 67,509.90

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Solution

The fourth proportional to 121,224.24, 167,289.03 and 67,509.90 is: 93,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,224.24 : 167,289.03 = 67,509.90 : x
  2. Step 2: Convert to fraction form
    121,224.24/167,289.03 = 67,509.90/x
  3. Step 3: Cross multiply
    121,224.24x = 167,289.03 × 67,509.90
  4. Step 4: Simplify right side
    121,224.24x = 11,293,665,686.40
  5. Step 5: Solve for x
    x = 11,293,665,686.40/121,224.24
  6. Step 6: Final answer
    x = 93,163.43

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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.