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Finding the Fourth Proportional to 150,258.08, 207,361.74 and 85,737.83

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Solution

The fourth proportional to 150,258.08, 207,361.74 and 85,737.83 is: 118,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,258.08 : 207,361.74 = 85,737.83 : x
  2. Step 2: Convert to fraction form
    150,258.08/207,361.74 = 85,737.83/x
  3. Step 3: Cross multiply
    150,258.08x = 207,361.74 × 85,737.83
  4. Step 4: Simplify right side
    150,258.08x = 17,778,744,897.33
  5. Step 5: Solve for x
    x = 17,778,744,897.33/150,258.08
  6. Step 6: Final answer
    x = 118,321.39

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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.