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Finding the Fourth Proportional to 64,155.16, 96,226.55 and 19,769.99

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Solution

The fourth proportional to 64,155.16, 96,226.55 and 19,769.99 is: 29,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.16 : 96,226.55 = 19,769.99 : x
  2. Step 2: Convert to fraction form
    64,155.16/96,226.55 = 19,769.99/x
  3. Step 3: Cross multiply
    64,155.16x = 96,226.55 × 19,769.99
  4. Step 4: Simplify right side
    64,155.16x = 1,902,398,072.95
  5. Step 5: Solve for x
    x = 1,902,398,072.95/64,155.16
  6. Step 6: Final answer
    x = 29,653.08

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Why These Related Problems?

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