Home / 100,923.10-139,273.12-60,635.82

Finding the Fourth Proportional to 100,923.10, 139,273.12 and 60,635.82

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Solution

The fourth proportional to 100,923.10, 139,273.12 and 60,635.82 is: 83,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,923.10 : 139,273.12 = 60,635.82 : x
  2. Step 2: Convert to fraction form
    100,923.10/139,273.12 = 60,635.82/x
  3. Step 3: Cross multiply
    100,923.10x = 139,273.12 × 60,635.82
  4. Step 4: Simplify right side
    100,923.10x = 8,444,940,433.23
  5. Step 5: Solve for x
    x = 8,444,940,433.23/100,923.10
  6. Step 6: Final answer
    x = 83,676.98

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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.