Finding the Fourth Proportional to 134,622.80, 185,778.64 and 73,368.91
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Solution
The fourth proportional to 134,622.80, 185,778.64 and 73,368.91 is: 101,248.65
Step by Step Solution
- Step 1: Write the proportion equation
134,622.80 : 185,778.64 = 73,368.91 : x - Step 2: Convert to fraction form
134,622.80/185,778.64 = 73,368.91/x - Step 3: Cross multiply
134,622.80x = 185,778.64 × 73,368.91 - Step 4: Simplify right side
134,622.80x = 13,630,376,318.08 - Step 5: Solve for x
x = 13,630,376,318.08/134,622.80 - Step 6: Final answer
x = 101,248.65
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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.