Home / 83,237.41-125,126.76-66,777.50

Finding the Fourth Proportional to 83,237.41, 125,126.76 and 66,777.50

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Solution

The fourth proportional to 83,237.41, 125,126.76 and 66,777.50 is: 100,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,237.41 : 125,126.76 = 66,777.50 : x
  2. Step 2: Convert to fraction form
    83,237.41/125,126.76 = 66,777.50/x
  3. Step 3: Cross multiply
    83,237.41x = 125,126.76 × 66,777.50
  4. Step 4: Simplify right side
    83,237.41x = 8,355,652,215.90
  5. Step 5: Solve for x
    x = 8,355,652,215.90/83,237.41
  6. Step 6: Final answer
    x = 100,383.38

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1.5x scale

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.