Home / 208,286.06-287,435.04-112,792.92

Finding the Fourth Proportional to 208,286.06, 287,435.04 and 112,792.92

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Solution

The fourth proportional to 208,286.06, 287,435.04 and 112,792.92 is: 155,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,286.06 : 287,435.04 = 112,792.92 : x
  2. Step 2: Convert to fraction form
    208,286.06/287,435.04 = 112,792.92/x
  3. Step 3: Cross multiply
    208,286.06x = 287,435.04 × 112,792.92
  4. Step 4: Simplify right side
    208,286.06x = 32,420,637,471.92
  5. Step 5: Solve for x
    x = 32,420,637,471.92/208,286.06
  6. Step 6: Final answer
    x = 155,654.38

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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.