Home / 98,897.42-148,370.43-28,777.34

Finding the Fourth Proportional to 98,897.42, 148,370.43 and 28,777.34

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Solution

The fourth proportional to 98,897.42, 148,370.43 and 28,777.34 is: 43,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.42 : 148,370.43 = 28,777.34 : x
  2. Step 2: Convert to fraction form
    98,897.42/148,370.43 = 28,777.34/x
  3. Step 3: Cross multiply
    98,897.42x = 148,370.43 × 28,777.34
  4. Step 4: Simplify right side
    98,897.42x = 4,269,706,310.06
  5. Step 5: Solve for x
    x = 4,269,706,310.06/98,897.42
  6. Step 6: Final answer
    x = 43,173.08

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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.