Home / 142,750.55-214,131.06-47,983.95

Finding the Fourth Proportional to 142,750.55, 214,131.06 and 47,983.95

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Solution

The fourth proportional to 142,750.55, 214,131.06 and 47,983.95 is: 71,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.55 : 214,131.06 = 47,983.95 : x
  2. Step 2: Convert to fraction form
    142,750.55/214,131.06 = 47,983.95/x
  3. Step 3: Cross multiply
    142,750.55x = 214,131.06 × 47,983.95
  4. Step 4: Simplify right side
    142,750.55x = 10,274,854,076.49
  5. Step 5: Solve for x
    x = 10,274,854,076.49/142,750.55
  6. Step 6: Final answer
    x = 71,977.68

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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.