Home / 90,626.58-136,026.36-55,634.58

Finding the Fourth Proportional to 90,626.58, 136,026.36 and 55,634.58

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Solution

The fourth proportional to 90,626.58, 136,026.36 and 55,634.58 is: 83,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626.58 : 136,026.36 = 55,634.58 : x
  2. Step 2: Convert to fraction form
    90,626.58/136,026.36 = 55,634.58/x
  3. Step 3: Cross multiply
    90,626.58x = 136,026.36 × 55,634.58
  4. Step 4: Simplify right side
    90,626.58x = 7,567,769,407.53
  5. Step 5: Solve for x
    x = 7,567,769,407.53/90,626.58
  6. Step 6: Final answer
    x = 83,504.97

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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.