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Finding the Fourth Proportional to 134,599.60, 201,672.60 and 106,411.60

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Solution

The fourth proportional to 134,599.60, 201,672.60 and 106,411.60 is: 159,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,599.60 : 201,672.60 = 106,411.60 : x
  2. Step 2: Convert to fraction form
    134,599.60/201,672.60 = 106,411.60/x
  3. Step 3: Cross multiply
    134,599.60x = 201,672.60 × 106,411.60
  4. Step 4: Simplify right side
    134,599.60x = 21,460,304,042.16
  5. Step 5: Solve for x
    x = 21,460,304,042.16/134,599.60
  6. Step 6: Final answer
    x = 159,438.10

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Why These Related Problems?

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