Home / 106,200.86-159,297.57-31,322.16

Finding the Fourth Proportional to 106,200.86, 159,297.57 and 31,322.16

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Solution

The fourth proportional to 106,200.86, 159,297.57 and 31,322.16 is: 46,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,200.86 : 159,297.57 = 31,322.16 : x
  2. Step 2: Convert to fraction form
    106,200.86/159,297.57 = 31,322.16/x
  3. Step 3: Cross multiply
    106,200.86x = 159,297.57 × 31,322.16
  4. Step 4: Simplify right side
    106,200.86x = 4,989,543,975.15
  5. Step 5: Solve for x
    x = 4,989,543,975.15/106,200.86
  6. Step 6: Final answer
    x = 46,982.15

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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.