Home / 139,724.22-209,584.24-34,543.14

Finding the Fourth Proportional to 139,724.22, 209,584.24 and 34,543.14

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Solution

The fourth proportional to 139,724.22, 209,584.24 and 34,543.14 is: 51,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,724.22 : 209,584.24 = 34,543.14 : x
  2. Step 2: Convert to fraction form
    139,724.22/209,584.24 = 34,543.14/x
  3. Step 3: Cross multiply
    139,724.22x = 209,584.24 × 34,543.14
  4. Step 4: Simplify right side
    139,724.22x = 7,239,697,744.11
  5. Step 5: Solve for x
    x = 7,239,697,744.11/139,724.22
  6. Step 6: Final answer
    x = 51,814.19

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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.