Home / 208,119.54-287,204.92-112,626.24

Finding the Fourth Proportional to 208,119.54, 287,204.92 and 112,626.24

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Solution

The fourth proportional to 208,119.54, 287,204.92 and 112,626.24 is: 155,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,119.54 : 287,204.92 = 112,626.24 : x
  2. Step 2: Convert to fraction form
    208,119.54/287,204.92 = 112,626.24/x
  3. Step 3: Cross multiply
    208,119.54x = 287,204.92 × 112,626.24
  4. Step 4: Simplify right side
    208,119.54x = 32,346,810,249.10
  5. Step 5: Solve for x
    x = 32,346,810,249.10/208,119.54
  6. Step 6: Final answer
    x = 155,424.19

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1.5x scale

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.