Home / 208,285.06-287,433.66-112,791.92

Finding the Fourth Proportional to 208,285.06, 287,433.66 and 112,791.92

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Solution

The fourth proportional to 208,285.06, 287,433.66 and 112,791.92 is: 155,653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,285.06 : 287,433.66 = 112,791.92 : x
  2. Step 2: Convert to fraction form
    208,285.06/287,433.66 = 112,791.92/x
  3. Step 3: Cross multiply
    208,285.06x = 287,433.66 × 112,791.92
  4. Step 4: Simplify right side
    208,285.06x = 32,420,194,384.03
  5. Step 5: Solve for x
    x = 32,420,194,384.03/208,285.06
  6. Step 6: Final answer
    x = 155,653.00

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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.