Finding the Fourth Proportional to 129,265.04, 193,792.95 and 58,135.58
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Solution
The fourth proportional to 129,265.04, 193,792.95 and 58,135.58 is: 87,156.32
Step by Step Solution
- Step 1: Write the proportion equation
129,265.04 : 193,792.95 = 58,135.58 : x - Step 2: Convert to fraction form
129,265.04/193,792.95 = 58,135.58/x - Step 3: Cross multiply
129,265.04x = 193,792.95 × 58,135.58 - Step 4: Simplify right side
129,265.04x = 11,266,265,548.16 - Step 5: Solve for x
x = 11,266,265,548.16/129,265.04 - Step 6: Final answer
x = 87,156.32
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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.