Finding the Fourth Proportional to 97,904.25, 146,706.84 and 72,822.99
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Solution
The fourth proportional to 97,904.25, 146,706.84 and 72,822.99 is: 109,123.26
Step by Step Solution
- Step 1: Write the proportion equation
97,904.25 : 146,706.84 = 72,822.99 : x - Step 2: Convert to fraction form
97,904.25/146,706.84 = 72,822.99/x - Step 3: Cross multiply
97,904.25x = 146,706.84 × 72,822.99 - Step 4: Simplify right side
97,904.25x = 10,683,630,742.25 - Step 5: Solve for x
x = 10,683,630,742.25/97,904.25 - Step 6: Final answer
x = 109,123.26
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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.