Finding the Fourth Proportional to 134,962.56, 186,251.28 and 74,533.08
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Solution
The fourth proportional to 134,962.56, 186,251.28 and 74,533.08 is: 102,857.28
Step by Step Solution
- Step 1: Write the proportion equation
134,962.56 : 186,251.28 = 74,533.08 : x - Step 2: Convert to fraction form
134,962.56/186,251.28 = 74,533.08/x - Step 3: Cross multiply
134,962.56x = 186,251.28 × 74,533.08 - Step 4: Simplify right side
134,962.56x = 13,881,881,552.34 - Step 5: Solve for x
x = 13,881,881,552.34/134,962.56 - Step 6: Final answer
x = 102,857.28
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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.