Home / 155,898.84-214,996.88-102,164.34

Finding the Fourth Proportional to 155,898.84, 214,996.88 and 102,164.34

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Solution

The fourth proportional to 155,898.84, 214,996.88 and 102,164.34 is: 140,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,898.84 : 214,996.88 = 102,164.34 : x
  2. Step 2: Convert to fraction form
    155,898.84/214,996.88 = 102,164.34/x
  3. Step 3: Cross multiply
    155,898.84x = 214,996.88 × 102,164.34
  4. Step 4: Simplify right side
    155,898.84x = 21,965,014,347.26
  5. Step 5: Solve for x
    x = 21,965,014,347.26/155,898.84
  6. Step 6: Final answer
    x = 140,892.74

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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.