Home / 164,431.32-226,915.52-88,979.84

Finding the Fourth Proportional to 164,431.32, 226,915.52 and 88,979.84

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Solution

The fourth proportional to 164,431.32, 226,915.52 and 88,979.84 is: 122,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,431.32 : 226,915.52 = 88,979.84 : x
  2. Step 2: Convert to fraction form
    164,431.32/226,915.52 = 88,979.84/x
  3. Step 3: Cross multiply
    164,431.32x = 226,915.52 × 88,979.84
  4. Step 4: Simplify right side
    164,431.32x = 20,190,906,663.12
  5. Step 5: Solve for x
    x = 20,190,906,663.12/164,431.32
  6. Step 6: Final answer
    x = 122,792.34

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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.