Home / 190,370.60-285,556.54-48,215.82

Finding the Fourth Proportional to 190,370.60, 285,556.54 and 48,215.82

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Solution

The fourth proportional to 190,370.60, 285,556.54 and 48,215.82 is: 72,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,370.60 : 285,556.54 = 48,215.82 : x
  2. Step 2: Convert to fraction form
    190,370.60/285,556.54 = 48,215.82/x
  3. Step 3: Cross multiply
    190,370.60x = 285,556.54 × 48,215.82
  4. Step 4: Simplify right side
    190,370.60x = 13,768,342,732.46
  5. Step 5: Solve for x
    x = 13,768,342,732.46/190,370.60
  6. Step 6: Final answer
    x = 72,323.89

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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.