Home / 155,217.36-214,030.44-104,828.88

Finding the Fourth Proportional to 155,217.36, 214,030.44 and 104,828.88

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Solution

The fourth proportional to 155,217.36, 214,030.44 and 104,828.88 is: 144,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,217.36 : 214,030.44 = 104,828.88 : x
  2. Step 2: Convert to fraction form
    155,217.36/214,030.44 = 104,828.88/x
  3. Step 3: Cross multiply
    155,217.36x = 214,030.44 × 104,828.88
  4. Step 4: Simplify right side
    155,217.36x = 22,436,571,311.11
  5. Step 5: Solve for x
    x = 22,436,571,311.11/155,217.36
  6. Step 6: Final answer
    x = 144,549.37

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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.