Home / 106,240.62-159,378.24-31,368.34

Finding the Fourth Proportional to 106,240.62, 159,378.24 and 31,368.34

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Solution

The fourth proportional to 106,240.62, 159,378.24 and 31,368.34 is: 47,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,240.62 : 159,378.24 = 31,368.34 : x
  2. Step 2: Convert to fraction form
    106,240.62/159,378.24 = 31,368.34/x
  3. Step 3: Cross multiply
    106,240.62x = 159,378.24 × 31,368.34
  4. Step 4: Simplify right side
    106,240.62x = 4,999,430,330.61
  5. Step 5: Solve for x
    x = 4,999,430,330.61/106,240.62
  6. Step 6: Final answer
    x = 47,057.62

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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.