Home / 113,840.40-170,782.74-43,714.56

Finding the Fourth Proportional to 113,840.40, 170,782.74 and 43,714.56

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Solution

The fourth proportional to 113,840.40, 170,782.74 and 43,714.56 is: 65,580.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,840.40 : 170,782.74 = 43,714.56 : x
  2. Step 2: Convert to fraction form
    113,840.40/170,782.74 = 43,714.56/x
  3. Step 3: Cross multiply
    113,840.40x = 170,782.74 × 43,714.56
  4. Step 4: Simplify right side
    113,840.40x = 7,465,692,334.69
  5. Step 5: Solve for x
    x = 7,465,692,334.69/113,840.40
  6. Step 6: Final answer
    x = 65,580.34

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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.