Home / 193,438.42-290,064.24-81,088.46

Finding the Fourth Proportional to 193,438.42, 290,064.24 and 81,088.46

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Solution

The fourth proportional to 193,438.42, 290,064.24 and 81,088.46 is: 121,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,438.42 : 290,064.24 = 81,088.46 : x
  2. Step 2: Convert to fraction form
    193,438.42/290,064.24 = 81,088.46/x
  3. Step 3: Cross multiply
    193,438.42x = 290,064.24 × 81,088.46
  4. Step 4: Simplify right side
    193,438.42x = 23,520,862,522.67
  5. Step 5: Solve for x
    x = 23,520,862,522.67/193,438.42
  6. Step 6: Final answer
    x = 121,593.54

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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.