Home / 139,825.08-208,681.07-130,344.44

Finding the Fourth Proportional to 139,825.08, 208,681.07 and 130,344.44

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Solution

The fourth proportional to 139,825.08, 208,681.07 and 130,344.44 is: 194,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,825.08 : 208,681.07 = 130,344.44 : x
  2. Step 2: Convert to fraction form
    139,825.08/208,681.07 = 130,344.44/x
  3. Step 3: Cross multiply
    139,825.08x = 208,681.07 × 130,344.44
  4. Step 4: Simplify right side
    139,825.08x = 27,200,415,512.62
  5. Step 5: Solve for x
    x = 27,200,415,512.62/139,825.08
  6. Step 6: Final answer
    x = 194,531.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.