Home / 139,147.58-208,718.22-33,966.20

Finding the Fourth Proportional to 139,147.58, 208,718.22 and 33,966.20

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Solution

The fourth proportional to 139,147.58, 208,718.22 and 33,966.20 is: 50,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,147.58 : 208,718.22 = 33,966.20 : x
  2. Step 2: Convert to fraction form
    139,147.58/208,718.22 = 33,966.20/x
  3. Step 3: Cross multiply
    139,147.58x = 208,718.22 × 33,966.20
  4. Step 4: Simplify right side
    139,147.58x = 7,089,364,804.16
  5. Step 5: Solve for x
    x = 7,089,364,804.16/139,147.58
  6. Step 6: Final answer
    x = 50,948.53

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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.