Home / 213,113.17-319,402.45-113,026.33

Finding the Fourth Proportional to 213,113.17, 319,402.45 and 113,026.33

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Solution

The fourth proportional to 213,113.17, 319,402.45 and 113,026.33 is: 169,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,113.17 : 319,402.45 = 113,026.33 : x
  2. Step 2: Convert to fraction form
    213,113.17/319,402.45 = 113,026.33/x
  3. Step 3: Cross multiply
    213,113.17x = 319,402.45 × 113,026.33
  4. Step 4: Simplify right side
    213,113.17x = 36,100,886,716.51
  5. Step 5: Solve for x
    x = 36,100,886,716.51/213,113.17
  6. Step 6: Final answer
    x = 169,397.73

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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.