Finding the Fourth Proportional to 113,973.08, 157,344.93 and 68,662.08
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Solution
The fourth proportional to 113,973.08, 157,344.93 and 68,662.08 is: 94,791.07
Step by Step Solution
- Step 1: Write the proportion equation
113,973.08 : 157,344.93 = 68,662.08 : x - Step 2: Convert to fraction form
113,973.08/157,344.93 = 68,662.08/x - Step 3: Cross multiply
113,973.08x = 157,344.93 × 68,662.08 - Step 4: Simplify right side
113,973.08x = 10,803,630,171.25 - Step 5: Solve for x
x = 10,803,630,171.25/113,973.08 - Step 6: Final answer
x = 94,791.07
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1.5x scale
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.