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Finding the Fourth Proportional to 160,584.85, 221,590.93 and 88,951.49

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Solution

The fourth proportional to 160,584.85, 221,590.93 and 88,951.49 is: 122,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,584.85 : 221,590.93 = 88,951.49 : x
  2. Step 2: Convert to fraction form
    160,584.85/221,590.93 = 88,951.49/x
  3. Step 3: Cross multiply
    160,584.85x = 221,590.93 × 88,951.49
  4. Step 4: Simplify right side
    160,584.85x = 19,710,843,393.99
  5. Step 5: Solve for x
    x = 19,710,843,393.99/160,584.85
  6. Step 6: Final answer
    x = 122,744.10

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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.