Home / 127,297.20-190,973.34-48,412.92

Finding the Fourth Proportional to 127,297.20, 190,973.34 and 48,412.92

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Solution

The fourth proportional to 127,297.20, 190,973.34 and 48,412.92 is: 72,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,297.20 : 190,973.34 = 48,412.92 : x
  2. Step 2: Convert to fraction form
    127,297.20/190,973.34 = 48,412.92/x
  3. Step 3: Cross multiply
    127,297.20x = 190,973.34 × 48,412.92
  4. Step 4: Simplify right side
    127,297.20x = 9,245,577,031.55
  5. Step 5: Solve for x
    x = 9,245,577,031.55/127,297.20
  6. Step 6: Final answer
    x = 72,629.85

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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.