Home / 210,422.89-290,383.58-114,929.81

Finding the Fourth Proportional to 210,422.89, 290,383.58 and 114,929.81

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Solution

The fourth proportional to 210,422.89, 290,383.58 and 114,929.81 is: 158,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,422.89 : 290,383.58 = 114,929.81 : x
  2. Step 2: Convert to fraction form
    210,422.89/290,383.58 = 114,929.81/x
  3. Step 3: Cross multiply
    210,422.89x = 290,383.58 × 114,929.81
  4. Step 4: Simplify right side
    210,422.89x = 33,373,729,600.86
  5. Step 5: Solve for x
    x = 33,373,729,600.86/210,422.89
  6. Step 6: Final answer
    x = 158,603.13

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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.