Home / 209,904.05-314,887.37-67,702.58

Finding the Fourth Proportional to 209,904.05, 314,887.37 and 67,702.58

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Solution

The fourth proportional to 209,904.05, 314,887.37 and 67,702.58 is: 101,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,904.05 : 314,887.37 = 67,702.58 : x
  2. Step 2: Convert to fraction form
    209,904.05/314,887.37 = 67,702.58/x
  3. Step 3: Cross multiply
    209,904.05x = 314,887.37 × 67,702.58
  4. Step 4: Simplify right side
    209,904.05x = 21,318,687,358.41
  5. Step 5: Solve for x
    x = 21,318,687,358.41/209,904.05
  6. Step 6: Final answer
    x = 101,563.96

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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.