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Finding the Fourth Proportional to 110,216.70, 154,653.30 and 110,216.70

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Solution

The fourth proportional to 110,216.70, 154,653.30 and 110,216.70 is: 154,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,216.70 : 154,653.30 = 110,216.70 : x
  2. Step 2: Convert to fraction form
    110,216.70/154,653.30 = 110,216.70/x
  3. Step 3: Cross multiply
    110,216.70x = 154,653.30 × 110,216.70
  4. Step 4: Simplify right side
    110,216.70x = 17,045,376,370.11
  5. Step 5: Solve for x
    x = 17,045,376,370.11/110,216.70
  6. Step 6: Final answer
    x = 154,653.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.