Home / 90,229.58-135,268.26-56,876.13

Finding the Fourth Proportional to 90,229.58, 135,268.26 and 56,876.13

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Solution

The fourth proportional to 90,229.58, 135,268.26 and 56,876.13 is: 85,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,229.58 : 135,268.26 = 56,876.13 : x
  2. Step 2: Convert to fraction form
    90,229.58/135,268.26 = 56,876.13/x
  3. Step 3: Cross multiply
    90,229.58x = 135,268.26 × 56,876.13
  4. Step 4: Simplify right side
    90,229.58x = 7,693,534,927.35
  5. Step 5: Solve for x
    x = 7,693,534,927.35/90,229.58
  6. Step 6: Final answer
    x = 85,266.22

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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.