Home / 142,438.56-213,669.96-37,257.36

Finding the Fourth Proportional to 142,438.56, 213,669.96 and 37,257.36

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Solution

The fourth proportional to 142,438.56, 213,669.96 and 37,257.36 is: 55,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,438.56 : 213,669.96 = 37,257.36 : x
  2. Step 2: Convert to fraction form
    142,438.56/213,669.96 = 37,257.36/x
  3. Step 3: Cross multiply
    142,438.56x = 213,669.96 × 37,257.36
  4. Step 4: Simplify right side
    142,438.56x = 7,960,778,620.91
  5. Step 5: Solve for x
    x = 7,960,778,620.91/142,438.56
  6. Step 6: Final answer
    x = 55,889.21

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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.