Home / 106,740.82-160,211.55-54,188.02

Finding the Fourth Proportional to 106,740.82, 160,211.55 and 54,188.02

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Solution

The fourth proportional to 106,740.82, 160,211.55 and 54,188.02 is: 81,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,740.82 : 160,211.55 = 54,188.02 : x
  2. Step 2: Convert to fraction form
    106,740.82/160,211.55 = 54,188.02/x
  3. Step 3: Cross multiply
    106,740.82x = 160,211.55 × 54,188.02
  4. Step 4: Simplify right side
    106,740.82x = 8,681,546,675.63
  5. Step 5: Solve for x
    x = 8,681,546,675.63/106,740.82
  6. Step 6: Final answer
    x = 81,332.96

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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.