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Finding the Fourth Proportional to 147,330.34, 203,284.44 and 86,878.94

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Solution

The fourth proportional to 147,330.34, 203,284.44 and 86,878.94 is: 119,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,330.34 : 203,284.44 = 86,878.94 : x
  2. Step 2: Convert to fraction form
    147,330.34/203,284.44 = 86,878.94/x
  3. Step 3: Cross multiply
    147,330.34x = 203,284.44 × 86,878.94
  4. Step 4: Simplify right side
    147,330.34x = 17,661,136,665.69
  5. Step 5: Solve for x
    x = 17,661,136,665.69/147,330.34
  6. Step 6: Final answer
    x = 119,874.40

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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.