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Finding the Fourth Proportional to 91,018, 136,550.04 and 25,354

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Solution

The fourth proportional to 91,018, 136,550.04 and 25,354 is: 38,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,018 : 136,550.04 = 25,354 : x
  2. Step 2: Convert to fraction form
    91,018/136,550.04 = 25,354/x
  3. Step 3: Cross multiply
    91,018x = 136,550.04 × 25,354
  4. Step 4: Simplify right side
    91,018x = 3,462,089,714.16
  5. Step 5: Solve for x
    x = 3,462,089,714.16/91,018
  6. Step 6: Final answer
    x = 38,037.42

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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.