Home / 98,999.07-148,496.16-28,878.99

Finding the Fourth Proportional to 98,999.07, 148,496.16 and 28,878.99

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Solution

The fourth proportional to 98,999.07, 148,496.16 and 28,878.99 is: 43,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999.07 : 148,496.16 = 28,878.99 : x
  2. Step 2: Convert to fraction form
    98,999.07/148,496.16 = 28,878.99/x
  3. Step 3: Cross multiply
    98,999.07x = 148,496.16 × 28,878.99
  4. Step 4: Simplify right side
    98,999.07x = 4,288,419,119.68
  5. Step 5: Solve for x
    x = 4,288,419,119.68/98,999.07
  6. Step 6: Final answer
    x = 43,317.77

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1.5x scale

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.