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Finding the Fourth Proportional to 160,512.64, 221,483.80 and 92,524.28

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Solution

The fourth proportional to 160,512.64, 221,483.80 and 92,524.28 is: 127,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,512.64 : 221,483.80 = 92,524.28 : x
  2. Step 2: Convert to fraction form
    160,512.64/221,483.80 = 92,524.28/x
  3. Step 3: Cross multiply
    160,512.64x = 221,483.80 × 92,524.28
  4. Step 4: Simplify right side
    160,512.64x = 20,492,629,126.66
  5. Step 5: Solve for x
    x = 20,492,629,126.66/160,512.64
  6. Step 6: Final answer
    x = 127,669.88

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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.