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Finding the Fourth Proportional to 133,948.60, 201,153.30 and 94,780.60

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Solution

The fourth proportional to 133,948.60, 201,153.30 and 94,780.60 is: 142,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,948.60 : 201,153.30 = 94,780.60 : x
  2. Step 2: Convert to fraction form
    133,948.60/201,153.30 = 94,780.60/x
  3. Step 3: Cross multiply
    133,948.60x = 201,153.30 × 94,780.60
  4. Step 4: Simplify right side
    133,948.60x = 19,065,430,465.98
  5. Step 5: Solve for x
    x = 19,065,430,465.98/133,948.60
  6. Step 6: Final answer
    x = 142,333.93

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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.