Home / 98,955.48-148,418.82-28,815.96

Finding the Fourth Proportional to 98,955.48, 148,418.82 and 28,815.96

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Solution

The fourth proportional to 98,955.48, 148,418.82 and 28,815.96 is: 43,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,955.48 : 148,418.82 = 28,815.96 : x
  2. Step 2: Convert to fraction form
    98,955.48/148,418.82 = 28,815.96/x
  3. Step 3: Cross multiply
    98,955.48x = 148,418.82 × 28,815.96
  4. Step 4: Simplify right side
    98,955.48x = 4,276,830,780.37
  5. Step 5: Solve for x
    x = 4,276,830,780.37/98,955.48
  6. Step 6: Final answer
    x = 43,219.75

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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.