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Finding the Fourth Proportional to 164,392.12, 226,862.58 and 88,942.12

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Solution

The fourth proportional to 164,392.12, 226,862.58 and 88,942.12 is: 122,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,392.12 : 226,862.58 = 88,942.12 : x
  2. Step 2: Convert to fraction form
    164,392.12/226,862.58 = 88,942.12/x
  3. Step 3: Cross multiply
    164,392.12x = 226,862.58 × 88,942.12
  4. Step 4: Simplify right side
    164,392.12x = 20,177,638,813.87
  5. Step 5: Solve for x
    x = 20,177,638,813.87/164,392.12
  6. Step 6: Final answer
    x = 122,740.91

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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.