Finding the Fourth Proportional to 106,781.08, 160,268.34 and 56,903.32
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Solution
The fourth proportional to 106,781.08, 160,268.34 and 56,903.32 is: 85,406.52
Step by Step Solution
- Step 1: Write the proportion equation
106,781.08 : 160,268.34 = 56,903.32 : x - Step 2: Convert to fraction form
106,781.08/160,268.34 = 56,903.32/x - Step 3: Cross multiply
106,781.08x = 160,268.34 × 56,903.32 - Step 4: Simplify right side
106,781.08x = 9,119,800,636.89 - Step 5: Solve for x
x = 9,119,800,636.89/106,781.08 - Step 6: Final answer
x = 85,406.52
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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.