Finding the Fourth Proportional to 119,781.94, 165,298.74 and 68,797.98
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Solution
The fourth proportional to 119,781.94, 165,298.74 and 68,797.98 is: 94,941.02
Step by Step Solution
- Step 1: Write the proportion equation
119,781.94 : 165,298.74 = 68,797.98 : x - Step 2: Convert to fraction form
119,781.94/165,298.74 = 68,797.98/x - Step 3: Cross multiply
119,781.94x = 165,298.74 × 68,797.98 - Step 4: Simplify right side
119,781.94x = 11,372,219,408.55 - Step 5: Solve for x
x = 11,372,219,408.55/119,781.94 - Step 6: Final answer
x = 94,941.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.