Home / 155,395.47-214,262.34-106,360.77

Finding the Fourth Proportional to 155,395.47, 214,262.34 and 106,360.77

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Solution

The fourth proportional to 155,395.47, 214,262.34 and 106,360.77 is: 146,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,395.47 : 214,262.34 = 106,360.77 : x
  2. Step 2: Convert to fraction form
    155,395.47/214,262.34 = 106,360.77/x
  3. Step 3: Cross multiply
    155,395.47x = 214,262.34 × 106,360.77
  4. Step 4: Simplify right side
    155,395.47x = 22,789,107,464.40
  5. Step 5: Solve for x
    x = 22,789,107,464.40/155,395.47
  6. Step 6: Final answer
    x = 146,652.33

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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.