Home / 142,303.55-213,455.33-53,576.96

Finding the Fourth Proportional to 142,303.55, 213,455.33 and 53,576.96

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Solution

The fourth proportional to 142,303.55, 213,455.33 and 53,576.96 is: 80,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,303.55 : 213,455.33 = 53,576.96 : x
  2. Step 2: Convert to fraction form
    142,303.55/213,455.33 = 53,576.96/x
  3. Step 3: Cross multiply
    142,303.55x = 213,455.33 × 53,576.96
  4. Step 4: Simplify right side
    142,303.55x = 11,436,287,409.31
  5. Step 5: Solve for x
    x = 11,436,287,409.31/142,303.55
  6. Step 6: Final answer
    x = 80,365.44

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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.