Home / 106,172.37-159,356.97-53,618.76

Finding the Fourth Proportional to 106,172.37, 159,356.97 and 53,618.76

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Solution

The fourth proportional to 106,172.37, 159,356.97 and 53,618.76 is: 80,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,172.37 : 159,356.97 = 53,618.76 : x
  2. Step 2: Convert to fraction form
    106,172.37/159,356.97 = 53,618.76/x
  3. Step 3: Cross multiply
    106,172.37x = 159,356.97 × 53,618.76
  4. Step 4: Simplify right side
    106,172.37x = 8,544,523,128.76
  5. Step 5: Solve for x
    x = 8,544,523,128.76/106,172.37
  6. Step 6: Final answer
    x = 80,477.84

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1.5x scale

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.