Home / 172,910.08-238,675.44-101,313.28

Finding the Fourth Proportional to 172,910.08, 238,675.44 and 101,313.28

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Solution

The fourth proportional to 172,910.08, 238,675.44 and 101,313.28 is: 139,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,910.08 : 238,675.44 = 101,313.28 : x
  2. Step 2: Convert to fraction form
    172,910.08/238,675.44 = 101,313.28/x
  3. Step 3: Cross multiply
    172,910.08x = 238,675.44 × 101,313.28
  4. Step 4: Simplify right side
    172,910.08x = 24,180,991,681.84
  5. Step 5: Solve for x
    x = 24,180,991,681.84/172,910.08
  6. Step 6: Final answer
    x = 139,847.21

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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.