Home / 160,571.96-221,589.32-87,975.16

Finding the Fourth Proportional to 160,571.96, 221,589.32 and 87,975.16

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Solution

The fourth proportional to 160,571.96, 221,589.32 and 87,975.16 is: 121,405.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,571.96 : 221,589.32 = 87,975.16 : x
  2. Step 2: Convert to fraction form
    160,571.96/221,589.32 = 87,975.16/x
  3. Step 3: Cross multiply
    160,571.96x = 221,589.32 × 87,975.16
  4. Step 4: Simplify right side
    160,571.96x = 19,494,355,881.29
  5. Step 5: Solve for x
    x = 19,494,355,881.29/160,571.96
  6. Step 6: Final answer
    x = 121,405.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.