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Finding the Fourth Proportional to 203,930.72, 281,526.72 and 127,492.28

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Solution

The fourth proportional to 203,930.72, 281,526.72 and 127,492.28 is: 176,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,930.72 : 281,526.72 = 127,492.28 : x
  2. Step 2: Convert to fraction form
    203,930.72/281,526.72 = 127,492.28/x
  3. Step 3: Cross multiply
    203,930.72x = 281,526.72 × 127,492.28
  4. Step 4: Simplify right side
    203,930.72x = 35,892,483,413.72
  5. Step 5: Solve for x
    x = 35,892,483,413.72/203,930.72
  6. Step 6: Final answer
    x = 176,003.32

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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.