Home / 144,973.20-217,897.20-125,727.60

Finding the Fourth Proportional to 144,973.20, 217,897.20 and 125,727.60

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Solution

The fourth proportional to 144,973.20, 217,897.20 and 125,727.60 is: 188,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,973.20 : 217,897.20 = 125,727.60 : x
  2. Step 2: Convert to fraction form
    144,973.20/217,897.20 = 125,727.60/x
  3. Step 3: Cross multiply
    144,973.20x = 217,897.20 × 125,727.60
  4. Step 4: Simplify right side
    144,973.20x = 27,395,692,002.72
  5. Step 5: Solve for x
    x = 27,395,692,002.72/144,973.20
  6. Step 6: Final answer
    x = 188,970.73

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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.