Finding the Fourth Proportional to 134,772.05, 185,984.91 and 74,346.46
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Solution
The fourth proportional to 134,772.05, 185,984.91 and 74,346.46 is: 102,597.82
Step by Step Solution
- Step 1: Write the proportion equation
134,772.05 : 185,984.91 = 74,346.46 : x - Step 2: Convert to fraction form
134,772.05/185,984.91 = 74,346.46/x - Step 3: Cross multiply
134,772.05x = 185,984.91 × 74,346.46 - Step 4: Simplify right side
134,772.05x = 13,827,319,206.96 - Step 5: Solve for x
x = 13,827,319,206.96/134,772.05 - Step 6: Final answer
x = 102,597.82
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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.