Home / 214,920.19-322,386.90-102,612.34

Finding the Fourth Proportional to 214,920.19, 322,386.90 and 102,612.34

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Solution

The fourth proportional to 214,920.19, 322,386.90 and 102,612.34 is: 153,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,920.19 : 322,386.90 = 102,612.34 : x
  2. Step 2: Convert to fraction form
    214,920.19/322,386.90 = 102,612.34/x
  3. Step 3: Cross multiply
    214,920.19x = 322,386.90 × 102,612.34
  4. Step 4: Simplify right side
    214,920.19x = 33,080,874,194.35
  5. Step 5: Solve for x
    x = 33,080,874,194.35/214,920.19
  6. Step 6: Final answer
    x = 153,921.67

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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.