Finding the Fourth Proportional to 133,110.93, 183,692.16 and 72,681.54
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Solution
The fourth proportional to 133,110.93, 183,692.16 and 72,681.54 is: 100,300.02
Step by Step Solution
- Step 1: Write the proportion equation
133,110.93 : 183,692.16 = 72,681.54 : x - Step 2: Convert to fraction form
133,110.93/183,692.16 = 72,681.54/x - Step 3: Cross multiply
133,110.93x = 183,692.16 × 72,681.54 - Step 4: Simplify right side
133,110.93x = 13,351,029,074.73 - Step 5: Solve for x
x = 13,351,029,074.73/133,110.93 - Step 6: Final answer
x = 100,300.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.