Home / 208,077.26-287,115.83-126,363.02

Finding the Fourth Proportional to 208,077.26, 287,115.83 and 126,363.02

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Solution

The fourth proportional to 208,077.26, 287,115.83 and 126,363.02 is: 174,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,077.26 : 287,115.83 = 126,363.02 : x
  2. Step 2: Convert to fraction form
    208,077.26/287,115.83 = 126,363.02/x
  3. Step 3: Cross multiply
    208,077.26x = 287,115.83 × 126,363.02
  4. Step 4: Simplify right side
    208,077.26x = 36,280,821,301.21
  5. Step 5: Solve for x
    x = 36,280,821,301.21/208,077.26
  6. Step 6: Final answer
    x = 174,362.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.