Home / 208,583.41-312,689.56-75,434.07

Finding the Fourth Proportional to 208,583.41, 312,689.56 and 75,434.07

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Solution

The fourth proportional to 208,583.41, 312,689.56 and 75,434.07 is: 113,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,583.41 : 312,689.56 = 75,434.07 : x
  2. Step 2: Convert to fraction form
    208,583.41/312,689.56 = 75,434.07/x
  3. Step 3: Cross multiply
    208,583.41x = 312,689.56 × 75,434.07
  4. Step 4: Simplify right side
    208,583.41x = 23,587,446,157.31
  5. Step 5: Solve for x
    x = 23,587,446,157.31/208,583.41
  6. Step 6: Final answer
    x = 113,084.00

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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.