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Finding the Fourth Proportional to 160,658.67, 221,705.19 and 92,675.79

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Solution

The fourth proportional to 160,658.67, 221,705.19 and 92,675.79 is: 127,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,658.67 : 221,705.19 = 92,675.79 : x
  2. Step 2: Convert to fraction form
    160,658.67/221,705.19 = 92,675.79/x
  3. Step 3: Cross multiply
    160,658.67x = 221,705.19 × 92,675.79
  4. Step 4: Simplify right side
    160,658.67x = 20,546,703,630.35
  5. Step 5: Solve for x
    x = 20,546,703,630.35/160,658.67
  6. Step 6: Final answer
    x = 127,890.41

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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.