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Finding the Fourth Proportional to 109,901.20, 164,851.80 and 109,901.20

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Solution

The fourth proportional to 109,901.20, 164,851.80 and 109,901.20 is: 164,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,901.20 : 164,851.80 = 109,901.20 : x
  2. Step 2: Convert to fraction form
    109,901.20/164,851.80 = 109,901.20/x
  3. Step 3: Cross multiply
    109,901.20x = 164,851.80 × 109,901.20
  4. Step 4: Simplify right side
    109,901.20x = 18,117,410,642.16
  5. Step 5: Solve for x
    x = 18,117,410,642.16/109,901.20
  6. Step 6: Final answer
    x = 164,851.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.