Home / 98,898.42-148,371.93-28,778.34

Finding the Fourth Proportional to 98,898.42, 148,371.93 and 28,778.34

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Solution

The fourth proportional to 98,898.42, 148,371.93 and 28,778.34 is: 43,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,898.42 : 148,371.93 = 28,778.34 : x
  2. Step 2: Convert to fraction form
    98,898.42/148,371.93 = 28,778.34/x
  3. Step 3: Cross multiply
    98,898.42x = 148,371.93 × 28,778.34
  4. Step 4: Simplify right side
    98,898.42x = 4,269,897,848.00
  5. Step 5: Solve for x
    x = 4,269,897,848.00/98,898.42
  6. Step 6: Final answer
    x = 43,174.58

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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.