Home / 160,975.87-222,019.95-142,598.64

Finding the Fourth Proportional to 160,975.87, 222,019.95 and 142,598.64

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Solution

The fourth proportional to 160,975.87, 222,019.95 and 142,598.64 is: 196,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,975.87 : 222,019.95 = 142,598.64 : x
  2. Step 2: Convert to fraction form
    160,975.87/222,019.95 = 142,598.64/x
  3. Step 3: Cross multiply
    160,975.87x = 222,019.95 × 142,598.64
  4. Step 4: Simplify right side
    160,975.87x = 31,659,741,213.72
  5. Step 5: Solve for x
    x = 31,659,741,213.72/160,975.87
  6. Step 6: Final answer
    x = 196,673.83

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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.