Finding the Fourth Proportional to 133,125.59, 183,706.47 and 72,684.59
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Solution
The fourth proportional to 133,125.59, 183,706.47 and 72,684.59 is: 100,300.99
Step by Step Solution
- Step 1: Write the proportion equation
133,125.59 : 183,706.47 = 72,684.59 : x - Step 2: Convert to fraction form
133,125.59/183,706.47 = 72,684.59/x - Step 3: Cross multiply
133,125.59x = 183,706.47 × 72,684.59 - Step 4: Simplify right side
133,125.59x = 13,352,628,533.77 - Step 5: Solve for x
x = 13,352,628,533.77/133,125.59 - Step 6: Final answer
x = 100,300.99
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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.