Home / 208,733.21-288,042.99-118,090.72

Finding the Fourth Proportional to 208,733.21, 288,042.99 and 118,090.72

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Solution

The fourth proportional to 208,733.21, 288,042.99 and 118,090.72 is: 162,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,733.21 : 288,042.99 = 118,090.72 : x
  2. Step 2: Convert to fraction form
    208,733.21/288,042.99 = 118,090.72/x
  3. Step 3: Cross multiply
    208,733.21x = 288,042.99 × 118,090.72
  4. Step 4: Simplify right side
    208,733.21x = 34,015,203,581.37
  5. Step 5: Solve for x
    x = 34,015,203,581.37/208,733.21
  6. Step 6: Final answer
    x = 162,960.19

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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.