Home / 106,334.20-159,410.70-47,137.60

Finding the Fourth Proportional to 106,334.20, 159,410.70 and 47,137.60

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Solution

The fourth proportional to 106,334.20, 159,410.70 and 47,137.60 is: 70,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,334.20 : 159,410.70 = 47,137.60 : x
  2. Step 2: Convert to fraction form
    106,334.20/159,410.70 = 47,137.60/x
  3. Step 3: Cross multiply
    106,334.20x = 159,410.70 × 47,137.60
  4. Step 4: Simplify right side
    106,334.20x = 7,514,237,812.32
  5. Step 5: Solve for x
    x = 7,514,237,812.32/106,334.20
  6. Step 6: Final answer
    x = 70,666.24

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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.