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Finding the Fourth Proportional to 134,201.60, 201,129.60 and 102,881.60

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Solution

The fourth proportional to 134,201.60, 201,129.60 and 102,881.60 is: 154,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,201.60 : 201,129.60 = 102,881.60 : x
  2. Step 2: Convert to fraction form
    134,201.60/201,129.60 = 102,881.60/x
  3. Step 3: Cross multiply
    134,201.60x = 201,129.60 × 102,881.60
  4. Step 4: Simplify right side
    134,201.60x = 20,692,535,055.36
  5. Step 5: Solve for x
    x = 20,692,535,055.36/134,201.60
  6. Step 6: Final answer
    x = 154,189.93

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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.