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Finding the Fourth Proportional to 114,330.40, 171,495.60 and 112,143.40

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Solution

The fourth proportional to 114,330.40, 171,495.60 and 112,143.40 is: 168,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,330.40 : 171,495.60 = 112,143.40 : x
  2. Step 2: Convert to fraction form
    114,330.40/171,495.60 = 112,143.40/x
  3. Step 3: Cross multiply
    114,330.40x = 171,495.60 × 112,143.40
  4. Step 4: Simplify right side
    114,330.40x = 19,232,099,669.04
  5. Step 5: Solve for x
    x = 19,232,099,669.04/114,330.40
  6. Step 6: Final answer
    x = 168,215.10

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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.