Home / 139,246.32-208,682.39-75,971.63

Finding the Fourth Proportional to 139,246.32, 208,682.39 and 75,971.63

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Solution

The fourth proportional to 139,246.32, 208,682.39 and 75,971.63 is: 113,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,246.32 : 208,682.39 = 75,971.63 : x
  2. Step 2: Convert to fraction form
    139,246.32/208,682.39 = 75,971.63/x
  3. Step 3: Cross multiply
    139,246.32x = 208,682.39 × 75,971.63
  4. Step 4: Simplify right side
    139,246.32x = 15,853,941,320.60
  5. Step 5: Solve for x
    x = 15,853,941,320.60/139,246.32
  6. Step 6: Final answer
    x = 113,855.37

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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.