Home / 209,422.36-289,003.26-113,929.48

Finding the Fourth Proportional to 209,422.36, 289,003.26 and 113,929.48

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Solution

The fourth proportional to 209,422.36, 289,003.26 and 113,929.48 is: 157,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,422.36 : 289,003.26 = 113,929.48 : x
  2. Step 2: Convert to fraction form
    209,422.36/289,003.26 = 113,929.48/x
  3. Step 3: Cross multiply
    209,422.36x = 289,003.26 × 113,929.48
  4. Step 4: Simplify right side
    209,422.36x = 32,925,991,130.10
  5. Step 5: Solve for x
    x = 32,925,991,130.10/209,422.36
  6. Step 6: Final answer
    x = 157,222.90

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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.