Home / 89,445.26-133,414.37-83,245.12

Finding the Fourth Proportional to 89,445.26, 133,414.37 and 83,245.12

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Solution

The fourth proportional to 89,445.26, 133,414.37 and 83,245.12 is: 124,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,445.26 : 133,414.37 = 83,245.12 : x
  2. Step 2: Convert to fraction form
    89,445.26/133,414.37 = 83,245.12/x
  3. Step 3: Cross multiply
    89,445.26x = 133,414.37 × 83,245.12
  4. Step 4: Simplify right side
    89,445.26x = 11,106,094,568.66
  5. Step 5: Solve for x
    x = 11,106,094,568.66/89,445.26
  6. Step 6: Final answer
    x = 124,166.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.