Home / 208,890.06-288,237.87-119,448.78

Finding the Fourth Proportional to 208,890.06, 288,237.87 and 119,448.78

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Solution

The fourth proportional to 208,890.06, 288,237.87 and 119,448.78 is: 164,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,890.06 : 288,237.87 = 119,448.78 : x
  2. Step 2: Convert to fraction form
    208,890.06/288,237.87 = 119,448.78/x
  3. Step 3: Cross multiply
    208,890.06x = 288,237.87 × 119,448.78
  4. Step 4: Simplify right side
    208,890.06x = 34,429,661,921.30
  5. Step 5: Solve for x
    x = 34,429,661,921.30/208,890.06
  6. Step 6: Final answer
    x = 164,821.93

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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.