Home / 90,016.58-135,041.27-30,858.23

Finding the Fourth Proportional to 90,016.58, 135,041.27 and 30,858.23

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Solution

The fourth proportional to 90,016.58, 135,041.27 and 30,858.23 is: 46,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.58 : 135,041.27 = 30,858.23 : x
  2. Step 2: Convert to fraction form
    90,016.58/135,041.27 = 30,858.23/x
  3. Step 3: Cross multiply
    90,016.58x = 135,041.27 × 30,858.23
  4. Step 4: Simplify right side
    90,016.58x = 4,167,134,569.15
  5. Step 5: Solve for x
    x = 4,167,134,569.15/90,016.58
  6. Step 6: Final answer
    x = 46,292.97

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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.