Home / 138,850.07-208,187.60-117,797.45

Finding the Fourth Proportional to 138,850.07, 208,187.60 and 117,797.45

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Solution

The fourth proportional to 138,850.07, 208,187.60 and 117,797.45 is: 176,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,850.07 : 208,187.60 = 117,797.45 : x
  2. Step 2: Convert to fraction form
    138,850.07/208,187.60 = 117,797.45/x
  3. Step 3: Cross multiply
    138,850.07x = 208,187.60 × 117,797.45
  4. Step 4: Simplify right side
    138,850.07x = 24,523,966,771.69
  5. Step 5: Solve for x
    x = 24,523,966,771.69/138,850.07
  6. Step 6: Final answer
    x = 176,621.93

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1.5x scale

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.