Home / 208,566.08-312,849.01-75,443.39

Finding the Fourth Proportional to 208,566.08, 312,849.01 and 75,443.39

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Solution

The fourth proportional to 208,566.08, 312,849.01 and 75,443.39 is: 113,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,566.08 : 312,849.01 = 75,443.39 : x
  2. Step 2: Convert to fraction form
    208,566.08/312,849.01 = 75,443.39/x
  3. Step 3: Cross multiply
    208,566.08x = 312,849.01 × 75,443.39
  4. Step 4: Simplify right side
    208,566.08x = 23,602,389,872.54
  5. Step 5: Solve for x
    x = 23,602,389,872.54/208,566.08
  6. Step 6: Final answer
    x = 113,165.05

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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.