Home / 188,064.23-259,528.88-103,181.63

Finding the Fourth Proportional to 188,064.23, 259,528.88 and 103,181.63

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Solution

The fourth proportional to 188,064.23, 259,528.88 and 103,181.63 is: 142,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,064.23 : 259,528.88 = 103,181.63 : x
  2. Step 2: Convert to fraction form
    188,064.23/259,528.88 = 103,181.63/x
  3. Step 3: Cross multiply
    188,064.23x = 259,528.88 × 103,181.63
  4. Step 4: Simplify right side
    188,064.23x = 26,778,612,870.47
  5. Step 5: Solve for x
    x = 26,778,612,870.47/188,064.23
  6. Step 6: Final answer
    x = 142,390.78

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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.