Home / 127,153.31-190,697.84-47,147.31

Finding the Fourth Proportional to 127,153.31, 190,697.84 and 47,147.31

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Solution

The fourth proportional to 127,153.31, 190,697.84 and 47,147.31 is: 70,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,153.31 : 190,697.84 = 47,147.31 : x
  2. Step 2: Convert to fraction form
    127,153.31/190,697.84 = 47,147.31/x
  3. Step 3: Cross multiply
    127,153.31x = 190,697.84 × 47,147.31
  4. Step 4: Simplify right side
    127,153.31x = 8,990,890,119.88
  5. Step 5: Solve for x
    x = 8,990,890,119.88/127,153.31
  6. Step 6: Final answer
    x = 70,709.06

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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.