Home / 100,761.72-139,036.50-60,466.92

Finding the Fourth Proportional to 100,761.72, 139,036.50 and 60,466.92

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Solution

The fourth proportional to 100,761.72, 139,036.50 and 60,466.92 is: 83,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,761.72 : 139,036.50 = 60,466.92 : x
  2. Step 2: Convert to fraction form
    100,761.72/139,036.50 = 60,466.92/x
  3. Step 3: Cross multiply
    100,761.72x = 139,036.50 × 60,466.92
  4. Step 4: Simplify right side
    100,761.72x = 8,407,108,922.58
  5. Step 5: Solve for x
    x = 8,407,108,922.58/100,761.72
  6. Step 6: Final answer
    x = 83,435.54

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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.