Home / 90,256.36-135,236.58-63,913.80

Finding the Fourth Proportional to 90,256.36, 135,236.58 and 63,913.80

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Solution

The fourth proportional to 90,256.36, 135,236.58 and 63,913.80 is: 95,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,256.36 : 135,236.58 = 63,913.80 : x
  2. Step 2: Convert to fraction form
    90,256.36/135,236.58 = 63,913.80/x
  3. Step 3: Cross multiply
    90,256.36x = 135,236.58 × 63,913.80
  4. Step 4: Simplify right side
    90,256.36x = 8,643,483,726.80
  5. Step 5: Solve for x
    x = 8,643,483,726.80/90,256.36
  6. Step 6: Final answer
    x = 95,765.92

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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.