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Finding the Fourth Proportional to 134,682, 185,879.16 and 87,074.16

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Solution

The fourth proportional to 134,682, 185,879.16 and 87,074.16 is: 120,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682 : 185,879.16 = 87,074.16 : x
  2. Step 2: Convert to fraction form
    134,682/185,879.16 = 87,074.16/x
  3. Step 3: Cross multiply
    134,682x = 185,879.16 × 87,074.16
  4. Step 4: Simplify right side
    134,682x = 16,185,271,718.51
  5. Step 5: Solve for x
    x = 16,185,271,718.51/134,682
  6. Step 6: Final answer
    x = 120,173.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.