Finding the Fourth Proportional to 133,104.74, 183,683.14 and 72,675.19
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Solution
The fourth proportional to 133,104.74, 183,683.14 and 72,675.19 is: 100,291.00
Step by Step Solution
- Step 1: Write the proportion equation
133,104.74 : 183,683.14 = 72,675.19 : x - Step 2: Convert to fraction form
133,104.74/183,683.14 = 72,675.19/x - Step 3: Cross multiply
133,104.74x = 183,683.14 × 72,675.19 - Step 4: Simplify right side
133,104.74x = 13,349,207,556.01 - Step 5: Solve for x
x = 13,349,207,556.01/133,104.74 - Step 6: Final answer
x = 100,291.00
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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.