Home / 139,246.95-208,683.32-75,972.26

Finding the Fourth Proportional to 139,246.95, 208,683.32 and 75,972.26

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Solution

The fourth proportional to 139,246.95, 208,683.32 and 75,972.26 is: 113,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,246.95 : 208,683.32 = 75,972.26 : x
  2. Step 2: Convert to fraction form
    139,246.95/208,683.32 = 75,972.26/x
  3. Step 3: Cross multiply
    139,246.95x = 208,683.32 × 75,972.26
  4. Step 4: Simplify right side
    139,246.95x = 15,854,142,591.22
  5. Step 5: Solve for x
    x = 15,854,142,591.22/139,246.95
  6. Step 6: Final answer
    x = 113,856.30

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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.