Home / 142,717.75-196,950.50-79,059.67

Finding the Fourth Proportional to 142,717.75, 196,950.50 and 79,059.67

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Solution

The fourth proportional to 142,717.75, 196,950.50 and 79,059.67 is: 109,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,717.75 : 196,950.50 = 79,059.67 : x
  2. Step 2: Convert to fraction form
    142,717.75/196,950.50 = 79,059.67/x
  3. Step 3: Cross multiply
    142,717.75x = 196,950.50 × 79,059.67
  4. Step 4: Simplify right side
    142,717.75x = 15,570,841,536.34
  5. Step 5: Solve for x
    x = 15,570,841,536.34/142,717.75
  6. Step 6: Final answer
    x = 109,102.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.