Home / 142,173.63-213,188.94-47,370.24

Finding the Fourth Proportional to 142,173.63, 213,188.94 and 47,370.24

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Solution

The fourth proportional to 142,173.63, 213,188.94 and 47,370.24 is: 71,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,173.63 : 213,188.94 = 47,370.24 : x
  2. Step 2: Convert to fraction form
    142,173.63/213,188.94 = 47,370.24/x
  3. Step 3: Cross multiply
    142,173.63x = 213,188.94 × 47,370.24
  4. Step 4: Simplify right side
    142,173.63x = 10,098,811,253.15
  5. Step 5: Solve for x
    x = 10,098,811,253.15/142,173.63
  6. Step 6: Final answer
    x = 71,031.54

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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.