Home / 139,527.16-208,958.13-76,252.39

Finding the Fourth Proportional to 139,527.16, 208,958.13 and 76,252.39

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Solution

The fourth proportional to 139,527.16, 208,958.13 and 76,252.39 is: 114,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527.16 : 208,958.13 = 76,252.39 : x
  2. Step 2: Convert to fraction form
    139,527.16/208,958.13 = 76,252.39/x
  3. Step 3: Cross multiply
    139,527.16x = 208,958.13 × 76,252.39
  4. Step 4: Simplify right side
    139,527.16x = 15,933,556,300.04
  5. Step 5: Solve for x
    x = 15,933,556,300.04/139,527.16
  6. Step 6: Final answer
    x = 114,196.81

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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.