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Finding the Fourth Proportional to 101,158.37, 139,512.84 and 60,864.60

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Solution

The fourth proportional to 101,158.37, 139,512.84 and 60,864.60 is: 83,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,158.37 : 139,512.84 = 60,864.60 : x
  2. Step 2: Convert to fraction form
    101,158.37/139,512.84 = 60,864.60/x
  3. Step 3: Cross multiply
    101,158.37x = 139,512.84 × 60,864.60
  4. Step 4: Simplify right side
    101,158.37x = 8,491,392,199.58
  5. Step 5: Solve for x
    x = 8,491,392,199.58/101,158.37
  6. Step 6: Final answer
    x = 83,941.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.