Home / 146,445.36-202,137.56-85,205.96

Finding the Fourth Proportional to 146,445.36, 202,137.56 and 85,205.96

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Solution

The fourth proportional to 146,445.36, 202,137.56 and 85,205.96 is: 117,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,445.36 : 202,137.56 = 85,205.96 : x
  2. Step 2: Convert to fraction form
    146,445.36/202,137.56 = 85,205.96/x
  3. Step 3: Cross multiply
    146,445.36x = 202,137.56 × 85,205.96
  4. Step 4: Simplify right side
    146,445.36x = 17,223,323,628.15
  5. Step 5: Solve for x
    x = 17,223,323,628.15/146,445.36
  6. Step 6: Final answer
    x = 117,609.22

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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.