Home / 212,733.36-319,137.98-70,587.14

Finding the Fourth Proportional to 212,733.36, 319,137.98 and 70,587.14

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Solution

The fourth proportional to 212,733.36, 319,137.98 and 70,587.14 is: 105,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,733.36 : 319,137.98 = 70,587.14 : x
  2. Step 2: Convert to fraction form
    212,733.36/319,137.98 = 70,587.14/x
  3. Step 3: Cross multiply
    212,733.36x = 319,137.98 × 70,587.14
  4. Step 4: Simplify right side
    212,733.36x = 22,527,035,324.95
  5. Step 5: Solve for x
    x = 22,527,035,324.95/212,733.36
  6. Step 6: Final answer
    x = 105,893.29

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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.