Home / 127,267.30-190,775.40-71,134.30

Finding the Fourth Proportional to 127,267.30, 190,775.40 and 71,134.30

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Solution

The fourth proportional to 127,267.30, 190,775.40 and 71,134.30 is: 106,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,267.30 : 190,775.40 = 71,134.30 : x
  2. Step 2: Convert to fraction form
    127,267.30/190,775.40 = 71,134.30/x
  3. Step 3: Cross multiply
    127,267.30x = 190,775.40 × 71,134.30
  4. Step 4: Simplify right side
    127,267.30x = 13,570,674,536.22
  5. Step 5: Solve for x
    x = 13,570,674,536.22/127,267.30
  6. Step 6: Final answer
    x = 106,631.28

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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.