Home / 139,832.13-209,632.08-55,540.29

Finding the Fourth Proportional to 139,832.13, 209,632.08 and 55,540.29

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Solution

The fourth proportional to 139,832.13, 209,632.08 and 55,540.29 is: 83,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,832.13 : 209,632.08 = 55,540.29 : x
  2. Step 2: Convert to fraction form
    139,832.13/209,632.08 = 55,540.29/x
  3. Step 3: Cross multiply
    139,832.13x = 209,632.08 × 55,540.29
  4. Step 4: Simplify right side
    139,832.13x = 11,643,026,238.80
  5. Step 5: Solve for x
    x = 11,643,026,238.80/139,832.13
  6. Step 6: Final answer
    x = 83,264.31

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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.