Home / 138,933.16-208,399.74-92,277.16

Finding the Fourth Proportional to 138,933.16, 208,399.74 and 92,277.16

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Solution

The fourth proportional to 138,933.16, 208,399.74 and 92,277.16 is: 138,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,933.16 : 208,399.74 = 92,277.16 : x
  2. Step 2: Convert to fraction form
    138,933.16/208,399.74 = 92,277.16/x
  3. Step 3: Cross multiply
    138,933.16x = 208,399.74 × 92,277.16
  4. Step 4: Simplify right side
    138,933.16x = 19,230,536,151.94
  5. Step 5: Solve for x
    x = 19,230,536,151.94/138,933.16
  6. Step 6: Final answer
    x = 138,415.74

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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.