Finding the Fourth Proportional to 134,965.02, 186,251.74 and 75,349.02
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Solution
The fourth proportional to 134,965.02, 186,251.74 and 75,349.02 is: 103,981.65
Step by Step Solution
- Step 1: Write the proportion equation
134,965.02 : 186,251.74 = 75,349.02 : x - Step 2: Convert to fraction form
134,965.02/186,251.74 = 75,349.02/x - Step 3: Cross multiply
134,965.02x = 186,251.74 × 75,349.02 - Step 4: Simplify right side
134,965.02x = 14,033,884,962.66 - Step 5: Solve for x
x = 14,033,884,962.66/134,965.02 - Step 6: Final answer
x = 103,981.65
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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.