Home / 96,999.48-145,523.46-77,084.28

Finding the Fourth Proportional to 96,999.48, 145,523.46 and 77,084.28

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Solution

The fourth proportional to 96,999.48, 145,523.46 and 77,084.28 is: 115,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999.48 : 145,523.46 = 77,084.28 : x
  2. Step 2: Convert to fraction form
    96,999.48/145,523.46 = 77,084.28/x
  3. Step 3: Cross multiply
    96,999.48x = 145,523.46 × 77,084.28
  4. Step 4: Simplify right side
    96,999.48x = 11,217,571,137.21
  5. Step 5: Solve for x
    x = 11,217,571,137.21/96,999.48
  6. Step 6: Final answer
    x = 115,645.68

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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.