Finding the Fourth Proportional to 134,617.95, 185,774.04 and 74,190.81
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Solution
The fourth proportional to 134,617.95, 185,774.04 and 74,190.81 is: 102,384.02
Step by Step Solution
- Step 1: Write the proportion equation
134,617.95 : 185,774.04 = 74,190.81 : x - Step 2: Convert to fraction form
134,617.95/185,774.04 = 74,190.81/x - Step 3: Cross multiply
134,617.95x = 185,774.04 × 74,190.81 - Step 4: Simplify right side
134,617.95x = 13,782,726,504.57 - Step 5: Solve for x
x = 13,782,726,504.57/134,617.95 - Step 6: Final answer
x = 102,384.02
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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.