Home / 139,227.62-208,488.16-116,679.02

Finding the Fourth Proportional to 139,227.62, 208,488.16 and 116,679.02

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Solution

The fourth proportional to 139,227.62, 208,488.16 and 116,679.02 is: 174,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,227.62 : 208,488.16 = 116,679.02 : x
  2. Step 2: Convert to fraction form
    139,227.62/208,488.16 = 116,679.02/x
  3. Step 3: Cross multiply
    139,227.62x = 208,488.16 × 116,679.02
  4. Step 4: Simplify right side
    139,227.62x = 24,326,193,607.01
  5. Step 5: Solve for x
    x = 24,326,193,607.01/139,227.62
  6. Step 6: Final answer
    x = 174,722.47

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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.