Finding the Fourth Proportional to 106,730.19, 147,318.35 and 70,458.12
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Solution
The fourth proportional to 106,730.19, 147,318.35 and 70,458.12 is: 97,252.46
Step by Step Solution
- Step 1: Write the proportion equation
106,730.19 : 147,318.35 = 70,458.12 : x - Step 2: Convert to fraction form
106,730.19/147,318.35 = 70,458.12/x - Step 3: Cross multiply
106,730.19x = 147,318.35 × 70,458.12 - Step 4: Simplify right side
106,730.19x = 10,379,773,630.21 - Step 5: Solve for x
x = 10,379,773,630.21/106,730.19 - Step 6: Final answer
x = 97,252.46
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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.