Home / 155,076.86-214,052.48-90,563.50

Finding the Fourth Proportional to 155,076.86, 214,052.48 and 90,563.50

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Solution

The fourth proportional to 155,076.86, 214,052.48 and 90,563.50 is: 125,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,076.86 : 214,052.48 = 90,563.50 : x
  2. Step 2: Convert to fraction form
    155,076.86/214,052.48 = 90,563.50/x
  3. Step 3: Cross multiply
    155,076.86x = 214,052.48 × 90,563.50
  4. Step 4: Simplify right side
    155,076.86x = 19,385,341,926.84
  5. Step 5: Solve for x
    x = 19,385,341,926.84/155,076.86
  6. Step 6: Final answer
    x = 125,004.73

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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.