Home / 142,425.95-213,688.26-53,704.89

Finding the Fourth Proportional to 142,425.95, 213,688.26 and 53,704.89

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Solution

The fourth proportional to 142,425.95, 213,688.26 and 53,704.89 is: 80,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,425.95 : 213,688.26 = 53,704.89 : x
  2. Step 2: Convert to fraction form
    142,425.95/213,688.26 = 53,704.89/x
  3. Step 3: Cross multiply
    142,425.95x = 213,688.26 × 53,704.89
  4. Step 4: Simplify right side
    142,425.95x = 11,476,104,497.59
  5. Step 5: Solve for x
    x = 11,476,104,497.59/142,425.95
  6. Step 6: Final answer
    x = 80,575.94

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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.