Home / 208,879.56-288,173.05-118,214.73

Finding the Fourth Proportional to 208,879.56, 288,173.05 and 118,214.73

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Solution

The fourth proportional to 208,879.56, 288,173.05 and 118,214.73 is: 163,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,879.56 : 288,173.05 = 118,214.73 : x
  2. Step 2: Convert to fraction form
    208,879.56/288,173.05 = 118,214.73/x
  3. Step 3: Cross multiply
    208,879.56x = 288,173.05 × 118,214.73
  4. Step 4: Simplify right side
    208,879.56x = 34,066,299,003.49
  5. Step 5: Solve for x
    x = 34,066,299,003.49/208,879.56
  6. Step 6: Final answer
    x = 163,090.63

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1.5x scale

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.