Home / 139,333.32-208,934.14-53,984.16

Finding the Fourth Proportional to 139,333.32, 208,934.14 and 53,984.16

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Solution

The fourth proportional to 139,333.32, 208,934.14 and 53,984.16 is: 80,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,333.32 : 208,934.14 = 53,984.16 : x
  2. Step 2: Convert to fraction form
    139,333.32/208,934.14 = 53,984.16/x
  3. Step 3: Cross multiply
    139,333.32x = 208,934.14 × 53,984.16
  4. Step 4: Simplify right side
    139,333.32x = 11,279,134,110.70
  5. Step 5: Solve for x
    x = 11,279,134,110.70/139,333.32
  6. Step 6: Final answer
    x = 80,950.73

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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.