Home / 209,427.42-289,001.37-113,934.51

Finding the Fourth Proportional to 209,427.42, 289,001.37 and 113,934.51

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Solution

The fourth proportional to 209,427.42, 289,001.37 and 113,934.51 is: 157,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,427.42 : 289,001.37 = 113,934.51 : x
  2. Step 2: Convert to fraction form
    209,427.42/289,001.37 = 113,934.51/x
  3. Step 3: Cross multiply
    209,427.42x = 289,001.37 × 113,934.51
  4. Step 4: Simplify right side
    209,427.42x = 32,927,229,480.28
  5. Step 5: Solve for x
    x = 32,927,229,480.28/209,427.42
  6. Step 6: Final answer
    x = 157,225.02

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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.