Home / 121,523.10-167,611.31-89,247.75

Finding the Fourth Proportional to 121,523.10, 167,611.31 and 89,247.75

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Solution

The fourth proportional to 121,523.10, 167,611.31 and 89,247.75 is: 123,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.10 : 167,611.31 = 89,247.75 : x
  2. Step 2: Convert to fraction form
    121,523.10/167,611.31 = 89,247.75/x
  3. Step 3: Cross multiply
    121,523.10x = 167,611.31 × 89,247.75
  4. Step 4: Simplify right side
    121,523.10x = 14,958,931,007.76
  5. Step 5: Solve for x
    x = 14,958,931,007.76/121,523.10
  6. Step 6: Final answer
    x = 123,095.38

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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.