Home / 85,448.22-128,190.50-29,273.25

Finding the Fourth Proportional to 85,448.22, 128,190.50 and 29,273.25

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Solution

The fourth proportional to 85,448.22, 128,190.50 and 29,273.25 is: 43,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,448.22 : 128,190.50 = 29,273.25 : x
  2. Step 2: Convert to fraction form
    85,448.22/128,190.50 = 29,273.25/x
  3. Step 3: Cross multiply
    85,448.22x = 128,190.50 × 29,273.25
  4. Step 4: Simplify right side
    85,448.22x = 3,752,552,277.18
  5. Step 5: Solve for x
    x = 3,752,552,277.18/85,448.22
  6. Step 6: Final answer
    x = 43,916.10

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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.