Finding the Fourth Proportional to 119,319.08, 164,658.84 and 65,603.63
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Solution
The fourth proportional to 119,319.08, 164,658.84 and 65,603.63 is: 90,532.19
Step by Step Solution
- Step 1: Write the proportion equation
119,319.08 : 164,658.84 = 65,603.63 : x - Step 2: Convert to fraction form
119,319.08/164,658.84 = 65,603.63/x - Step 3: Cross multiply
119,319.08x = 164,658.84 × 65,603.63 - Step 4: Simplify right side
119,319.08x = 10,802,216,792.30 - Step 5: Solve for x
x = 10,802,216,792.30/119,319.08 - Step 6: Final answer
x = 90,532.19
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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.