Home / 161,950.18-223,491.64-90,334.84

Finding the Fourth Proportional to 161,950.18, 223,491.64 and 90,334.84

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Solution

The fourth proportional to 161,950.18, 223,491.64 and 90,334.84 is: 124,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,950.18 : 223,491.64 = 90,334.84 : x
  2. Step 2: Convert to fraction form
    161,950.18/223,491.64 = 90,334.84/x
  3. Step 3: Cross multiply
    161,950.18x = 223,491.64 × 90,334.84
  4. Step 4: Simplify right side
    161,950.18x = 20,189,081,540.74
  5. Step 5: Solve for x
    x = 20,189,081,540.74/161,950.18
  6. Step 6: Final answer
    x = 124,662.30

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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.