Home / 142,206.76-213,303.66-53,453.44

Finding the Fourth Proportional to 142,206.76, 213,303.66 and 53,453.44

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Solution

The fourth proportional to 142,206.76, 213,303.66 and 53,453.44 is: 80,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,206.76 : 213,303.66 = 53,453.44 : x
  2. Step 2: Convert to fraction form
    142,206.76/213,303.66 = 53,453.44/x
  3. Step 3: Cross multiply
    142,206.76x = 213,303.66 × 53,453.44
  4. Step 4: Simplify right side
    142,206.76x = 11,401,814,391.59
  5. Step 5: Solve for x
    x = 11,401,814,391.59/142,206.76
  6. Step 6: Final answer
    x = 80,177.72

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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.