Home / 90,316.41-135,558.68-45,976.35

Finding the Fourth Proportional to 90,316.41, 135,558.68 and 45,976.35

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Solution

The fourth proportional to 90,316.41, 135,558.68 and 45,976.35 is: 69,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,316.41 : 135,558.68 = 45,976.35 : x
  2. Step 2: Convert to fraction form
    90,316.41/135,558.68 = 45,976.35/x
  3. Step 3: Cross multiply
    90,316.41x = 135,558.68 × 45,976.35
  4. Step 4: Simplify right side
    90,316.41x = 6,232,493,317.22
  5. Step 5: Solve for x
    x = 6,232,493,317.22/90,316.41
  6. Step 6: Final answer
    x = 69,007.32

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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.