Home / 192,590.56-288,986.58-78,822.82

Finding the Fourth Proportional to 192,590.56, 288,986.58 and 78,822.82

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Solution

The fourth proportional to 192,590.56, 288,986.58 and 78,822.82 is: 118,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,590.56 : 288,986.58 = 78,822.82 : x
  2. Step 2: Convert to fraction form
    192,590.56/288,986.58 = 78,822.82/x
  3. Step 3: Cross multiply
    192,590.56x = 288,986.58 × 78,822.82
  4. Step 4: Simplify right side
    192,590.56x = 22,778,737,177.76
  5. Step 5: Solve for x
    x = 22,778,737,177.76/192,590.56
  6. Step 6: Final answer
    x = 118,275.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.