Home / 101,512.08-140,099.76-61,247.58

Finding the Fourth Proportional to 101,512.08, 140,099.76 and 61,247.58

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Solution

The fourth proportional to 101,512.08, 140,099.76 and 61,247.58 is: 84,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.08 : 140,099.76 = 61,247.58 : x
  2. Step 2: Convert to fraction form
    101,512.08/140,099.76 = 61,247.58/x
  3. Step 3: Cross multiply
    101,512.08x = 140,099.76 × 61,247.58
  4. Step 4: Simplify right side
    101,512.08x = 8,580,771,258.58
  5. Step 5: Solve for x
    x = 8,580,771,258.58/101,512.08
  6. Step 6: Final answer
    x = 84,529.56

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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.