Home / 152,021.20-227,772.60-125,582.80

Finding the Fourth Proportional to 152,021.20, 227,772.60 and 125,582.80

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Solution

The fourth proportional to 152,021.20, 227,772.60 and 125,582.80 is: 188,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.20 : 227,772.60 = 125,582.80 : x
  2. Step 2: Convert to fraction form
    152,021.20/227,772.60 = 125,582.80/x
  3. Step 3: Cross multiply
    152,021.20x = 227,772.60 × 125,582.80
  4. Step 4: Simplify right side
    152,021.20x = 28,604,320,871.28
  5. Step 5: Solve for x
    x = 28,604,320,871.28/152,021.20
  6. Step 6: Final answer
    x = 188,160.08

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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.