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Finding the Fourth Proportional to 125,780.40, 188,670.60 and 59,198.40

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Solution

The fourth proportional to 125,780.40, 188,670.60 and 59,198.40 is: 88,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.40 : 188,670.60 = 59,198.40 : x
  2. Step 2: Convert to fraction form
    125,780.40/188,670.60 = 59,198.40/x
  3. Step 3: Cross multiply
    125,780.40x = 188,670.60 × 59,198.40
  4. Step 4: Simplify right side
    125,780.40x = 11,168,997,647.04
  5. Step 5: Solve for x
    x = 11,168,997,647.04/125,780.40
  6. Step 6: Final answer
    x = 88,797.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.