Finding the Fourth Proportional to 134,585.44, 185,726.98 and 74,154.69
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Solution
The fourth proportional to 134,585.44, 185,726.98 and 74,154.69 is: 102,332.96
Step by Step Solution
- Step 1: Write the proportion equation
134,585.44 : 185,726.98 = 74,154.69 : x - Step 2: Convert to fraction form
134,585.44/185,726.98 = 74,154.69/x - Step 3: Cross multiply
134,585.44x = 185,726.98 × 74,154.69 - Step 4: Simplify right side
134,585.44x = 13,772,526,626.54 - Step 5: Solve for x
x = 13,772,526,626.54/134,585.44 - Step 6: Final answer
x = 102,332.96
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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.