Home / 121,454.48-167,627.67-89,715.44

Finding the Fourth Proportional to 121,454.48, 167,627.67 and 89,715.44

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Solution

The fourth proportional to 121,454.48, 167,627.67 and 89,715.44 is: 123,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,454.48 : 167,627.67 = 89,715.44 : x
  2. Step 2: Convert to fraction form
    121,454.48/167,627.67 = 89,715.44/x
  3. Step 3: Cross multiply
    121,454.48x = 167,627.67 × 89,715.44
  4. Step 4: Simplify right side
    121,454.48x = 15,038,790,170.22
  5. Step 5: Solve for x
    x = 15,038,790,170.22/121,454.48
  6. Step 6: Final answer
    x = 123,822.44

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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.