Home / 133,055.10-199,254.60-88,440.30

Finding the Fourth Proportional to 133,055.10, 199,254.60 and 88,440.30

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Solution

The fourth proportional to 133,055.10, 199,254.60 and 88,440.30 is: 132,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.10 : 199,254.60 = 88,440.30 : x
  2. Step 2: Convert to fraction form
    133,055.10/199,254.60 = 88,440.30/x
  3. Step 3: Cross multiply
    133,055.10x = 199,254.60 × 88,440.30
  4. Step 4: Simplify right side
    133,055.10x = 17,622,136,600.38
  5. Step 5: Solve for x
    x = 17,622,136,600.38/133,055.10
  6. Step 6: Final answer
    x = 132,442.40

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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.