Home / 208,741.88-288,064.41-113,249.36

Finding the Fourth Proportional to 208,741.88, 288,064.41 and 113,249.36

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Solution

The fourth proportional to 208,741.88, 288,064.41 and 113,249.36 is: 156,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,741.88 : 288,064.41 = 113,249.36 : x
  2. Step 2: Convert to fraction form
    208,741.88/288,064.41 = 113,249.36/x
  3. Step 3: Cross multiply
    208,741.88x = 288,064.41 × 113,249.36
  4. Step 4: Simplify right side
    208,741.88x = 32,623,110,071.28
  5. Step 5: Solve for x
    x = 32,623,110,071.28/208,741.88
  6. Step 6: Final answer
    x = 156,284.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.