Home / 142,806.56-214,338.33-76,303.53

Finding the Fourth Proportional to 142,806.56, 214,338.33 and 76,303.53

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Solution

The fourth proportional to 142,806.56, 214,338.33 and 76,303.53 is: 114,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,806.56 : 214,338.33 = 76,303.53 : x
  2. Step 2: Convert to fraction form
    142,806.56/214,338.33 = 76,303.53/x
  3. Step 3: Cross multiply
    142,806.56x = 214,338.33 × 76,303.53
  4. Step 4: Simplify right side
    142,806.56x = 16,354,771,193.30
  5. Step 5: Solve for x
    x = 16,354,771,193.30/142,806.56
  6. Step 6: Final answer
    x = 114,523.95

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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.