Home / 97,868.32-146,824.38-31,312.44

Finding the Fourth Proportional to 97,868.32, 146,824.38 and 31,312.44

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Solution

The fourth proportional to 97,868.32, 146,824.38 and 31,312.44 is: 46,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,868.32 : 146,824.38 = 31,312.44 : x
  2. Step 2: Convert to fraction form
    97,868.32/146,824.38 = 31,312.44/x
  3. Step 3: Cross multiply
    97,868.32x = 146,824.38 × 31,312.44
  4. Step 4: Simplify right side
    97,868.32x = 4,597,429,589.29
  5. Step 5: Solve for x
    x = 4,597,429,589.29/97,868.32
  6. Step 6: Final answer
    x = 46,975.67

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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.