Home / 159,226.08-238,642-139,543.04

Finding the Fourth Proportional to 159,226.08, 238,642 and 139,543.04

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Solution

The fourth proportional to 159,226.08, 238,642 and 139,543.04 is: 209,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,226.08 : 238,642 = 139,543.04 : x
  2. Step 2: Convert to fraction form
    159,226.08/238,642 = 139,543.04/x
  3. Step 3: Cross multiply
    159,226.08x = 238,642 × 139,543.04
  4. Step 4: Simplify right side
    159,226.08x = 33,300,830,151.68
  5. Step 5: Solve for x
    x = 33,300,830,151.68/159,226.08
  6. Step 6: Final answer
    x = 209,141.81

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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.