Home / 121,222.14-167,274.62-67,505.10

Finding the Fourth Proportional to 121,222.14, 167,274.62 and 67,505.10

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Solution

The fourth proportional to 121,222.14, 167,274.62 and 67,505.10 is: 93,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,222.14 : 167,274.62 = 67,505.10 : x
  2. Step 2: Convert to fraction form
    121,222.14/167,274.62 = 67,505.10/x
  3. Step 3: Cross multiply
    121,222.14x = 167,274.62 × 67,505.10
  4. Step 4: Simplify right side
    121,222.14x = 11,291,889,950.56
  5. Step 5: Solve for x
    x = 11,291,889,950.56/121,222.14
  6. Step 6: Final answer
    x = 93,150.39

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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.