Home / 142,504.11-196,623.27-85,134.33

Finding the Fourth Proportional to 142,504.11, 196,623.27 and 85,134.33

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Solution

The fourth proportional to 142,504.11, 196,623.27 and 85,134.33 is: 117,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,504.11 : 196,623.27 = 85,134.33 : x
  2. Step 2: Convert to fraction form
    142,504.11/196,623.27 = 85,134.33/x
  3. Step 3: Cross multiply
    142,504.11x = 196,623.27 × 85,134.33
  4. Step 4: Simplify right side
    142,504.11x = 16,739,390,353.86
  5. Step 5: Solve for x
    x = 16,739,390,353.86/142,504.11
  6. Step 6: Final answer
    x = 117,466.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.