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Finding the Fourth Proportional to 80,246.63, 119,843 and 64,475.63

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Solution

The fourth proportional to 80,246.63, 119,843 and 64,475.63 is: 96,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,246.63 : 119,843 = 64,475.63 : x
  2. Step 2: Convert to fraction form
    80,246.63/119,843 = 64,475.63/x
  3. Step 3: Cross multiply
    80,246.63x = 119,843 × 64,475.63
  4. Step 4: Simplify right side
    80,246.63x = 7,726,952,926.09
  5. Step 5: Solve for x
    x = 7,726,952,926.09/80,246.63
  6. Step 6: Final answer
    x = 96,290.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.