Home / 90,027.36-135,047.61-30,862.53

Finding the Fourth Proportional to 90,027.36, 135,047.61 and 30,862.53

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Solution

The fourth proportional to 90,027.36, 135,047.61 and 30,862.53 is: 46,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.36 : 135,047.61 = 30,862.53 : x
  2. Step 2: Convert to fraction form
    90,027.36/135,047.61 = 30,862.53/x
  3. Step 3: Cross multiply
    90,027.36x = 135,047.61 × 30,862.53
  4. Step 4: Simplify right side
    90,027.36x = 4,167,910,915.05
  5. Step 5: Solve for x
    x = 4,167,910,915.05/90,027.36
  6. Step 6: Final answer
    x = 46,296.05

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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.