Home / 136,167.20-204,032.10-89,365.40

Finding the Fourth Proportional to 136,167.20, 204,032.10 and 89,365.40

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Solution

The fourth proportional to 136,167.20, 204,032.10 and 89,365.40 is: 133,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,167.20 : 204,032.10 = 89,365.40 : x
  2. Step 2: Convert to fraction form
    136,167.20/204,032.10 = 89,365.40/x
  3. Step 3: Cross multiply
    136,167.20x = 204,032.10 × 89,365.40
  4. Step 4: Simplify right side
    136,167.20x = 18,233,410,229.34
  5. Step 5: Solve for x
    x = 18,233,410,229.34/136,167.20
  6. Step 6: Final answer
    x = 133,904.57

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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.