Home / 161,138.44-222,397.68-134,238.36

Finding the Fourth Proportional to 161,138.44, 222,397.68 and 134,238.36

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Solution

The fourth proportional to 161,138.44, 222,397.68 and 134,238.36 is: 185,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,138.44 : 222,397.68 = 134,238.36 : x
  2. Step 2: Convert to fraction form
    161,138.44/222,397.68 = 134,238.36/x
  3. Step 3: Cross multiply
    161,138.44x = 222,397.68 × 134,238.36
  4. Step 4: Simplify right side
    161,138.44x = 29,854,299,831.00
  5. Step 5: Solve for x
    x = 29,854,299,831.00/161,138.44
  6. Step 6: Final answer
    x = 185,271.12

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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.