Home / 161,647.44-223,065-90,026.16

Finding the Fourth Proportional to 161,647.44, 223,065 and 90,026.16

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Solution

The fourth proportional to 161,647.44, 223,065 and 90,026.16 is: 124,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,647.44 : 223,065 = 90,026.16 : x
  2. Step 2: Convert to fraction form
    161,647.44/223,065 = 90,026.16/x
  3. Step 3: Cross multiply
    161,647.44x = 223,065 × 90,026.16
  4. Step 4: Simplify right side
    161,647.44x = 20,081,685,380.40
  5. Step 5: Solve for x
    x = 20,081,685,380.40/161,647.44
  6. Step 6: Final answer
    x = 124,231.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.