Home / 145,388.48-218,093.13-38,771.89

Finding the Fourth Proportional to 145,388.48, 218,093.13 and 38,771.89

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Solution

The fourth proportional to 145,388.48, 218,093.13 and 38,771.89 is: 58,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,388.48 : 218,093.13 = 38,771.89 : x
  2. Step 2: Convert to fraction form
    145,388.48/218,093.13 = 38,771.89/x
  3. Step 3: Cross multiply
    145,388.48x = 218,093.13 × 38,771.89
  4. Step 4: Simplify right side
    145,388.48x = 8,455,882,300.88
  5. Step 5: Solve for x
    x = 8,455,882,300.88/145,388.48
  6. Step 6: Final answer
    x = 58,160.61

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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.