Home / 142,353.37-213,525.90-37,172.35

Finding the Fourth Proportional to 142,353.37, 213,525.90 and 37,172.35

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Solution

The fourth proportional to 142,353.37, 213,525.90 and 37,172.35 is: 55,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,353.37 : 213,525.90 = 37,172.35 : x
  2. Step 2: Convert to fraction form
    142,353.37/213,525.90 = 37,172.35/x
  3. Step 3: Cross multiply
    142,353.37x = 213,525.90 × 37,172.35
  4. Step 4: Simplify right side
    142,353.37x = 7,937,259,488.87
  5. Step 5: Solve for x
    x = 7,937,259,488.87/142,353.37
  6. Step 6: Final answer
    x = 55,757.44

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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.