Home / 106,283.48-159,315.87-47,147

Finding the Fourth Proportional to 106,283.48, 159,315.87 and 47,147

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Solution

The fourth proportional to 106,283.48, 159,315.87 and 47,147 is: 70,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,283.48 : 159,315.87 = 47,147 : x
  2. Step 2: Convert to fraction form
    106,283.48/159,315.87 = 47,147/x
  3. Step 3: Cross multiply
    106,283.48x = 159,315.87 × 47,147
  4. Step 4: Simplify right side
    106,283.48x = 7,511,265,322.89
  5. Step 5: Solve for x
    x = 7,511,265,322.89/106,283.48
  6. Step 6: Final answer
    x = 70,671.99

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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.