Home / 97,865.82-146,809.26-31,282.20

Finding the Fourth Proportional to 97,865.82, 146,809.26 and 31,282.20

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Solution

The fourth proportional to 97,865.82, 146,809.26 and 31,282.20 is: 46,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,865.82 : 146,809.26 = 31,282.20 : x
  2. Step 2: Convert to fraction form
    97,865.82/146,809.26 = 31,282.20/x
  3. Step 3: Cross multiply
    97,865.82x = 146,809.26 × 31,282.20
  4. Step 4: Simplify right side
    97,865.82x = 4,592,516,633.17
  5. Step 5: Solve for x
    x = 4,592,516,633.17/97,865.82
  6. Step 6: Final answer
    x = 46,926.67

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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.