Home / 142,534.44-213,738.48-75,962.16

Finding the Fourth Proportional to 142,534.44, 213,738.48 and 75,962.16

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Solution

The fourth proportional to 142,534.44, 213,738.48 and 75,962.16 is: 113,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,534.44 : 213,738.48 = 75,962.16 : x
  2. Step 2: Convert to fraction form
    142,534.44/213,738.48 = 75,962.16/x
  3. Step 3: Cross multiply
    142,534.44x = 213,738.48 × 75,962.16
  4. Step 4: Simplify right side
    142,534.44x = 16,236,036,615.92
  5. Step 5: Solve for x
    x = 16,236,036,615.92/142,534.44
  6. Step 6: Final answer
    x = 113,909.57

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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.