Home / 159,962.08-220,734.78-91,975.60

Finding the Fourth Proportional to 159,962.08, 220,734.78 and 91,975.60

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Solution

The fourth proportional to 159,962.08, 220,734.78 and 91,975.60 is: 126,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,962.08 : 220,734.78 = 91,975.60 : x
  2. Step 2: Convert to fraction form
    159,962.08/220,734.78 = 91,975.60/x
  3. Step 3: Cross multiply
    159,962.08x = 220,734.78 × 91,975.60
  4. Step 4: Simplify right side
    159,962.08x = 20,302,213,831.37
  5. Step 5: Solve for x
    x = 20,302,213,831.37/159,962.08
  6. Step 6: Final answer
    x = 126,918.92

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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.