Home / 98,991.09-148,486.64-28,876.05

Finding the Fourth Proportional to 98,991.09, 148,486.64 and 28,876.05

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Solution

The fourth proportional to 98,991.09, 148,486.64 and 28,876.05 is: 43,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,991.09 : 148,486.64 = 28,876.05 : x
  2. Step 2: Convert to fraction form
    98,991.09/148,486.64 = 28,876.05/x
  3. Step 3: Cross multiply
    98,991.09x = 148,486.64 × 28,876.05
  4. Step 4: Simplify right side
    98,991.09x = 4,287,707,496.59
  5. Step 5: Solve for x
    x = 4,287,707,496.59/98,991.09
  6. Step 6: Final answer
    x = 43,314.08

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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.