Home / 208,848.51-288,181.40-123,999.39

Finding the Fourth Proportional to 208,848.51, 288,181.40 and 123,999.39

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Solution

The fourth proportional to 208,848.51, 288,181.40 and 123,999.39 is: 171,101.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,848.51 : 288,181.40 = 123,999.39 : x
  2. Step 2: Convert to fraction form
    208,848.51/288,181.40 = 123,999.39/x
  3. Step 3: Cross multiply
    208,848.51x = 288,181.40 × 123,999.39
  4. Step 4: Simplify right side
    208,848.51x = 35,734,317,189.35
  5. Step 5: Solve for x
    x = 35,734,317,189.35/208,848.51
  6. Step 6: Final answer
    x = 171,101.61

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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.