Home / 208,849.27-288,198.87-118,223.63

Finding the Fourth Proportional to 208,849.27, 288,198.87 and 118,223.63

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Solution

The fourth proportional to 208,849.27, 288,198.87 and 118,223.63 is: 163,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.27 : 288,198.87 = 118,223.63 : x
  2. Step 2: Convert to fraction form
    208,849.27/288,198.87 = 118,223.63/x
  3. Step 3: Cross multiply
    208,849.27x = 288,198.87 × 118,223.63
  4. Step 4: Simplify right side
    208,849.27x = 34,071,916,573.30
  5. Step 5: Solve for x
    x = 34,071,916,573.30/208,849.27
  6. Step 6: Final answer
    x = 163,141.18

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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.