Finding the Fourth Proportional to 102,124.32, 153,186.56 and 32,009.08
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Solution
The fourth proportional to 102,124.32, 153,186.56 and 32,009.08 is: 48,013.65
Step by Step Solution
- Step 1: Write the proportion equation
102,124.32 : 153,186.56 = 32,009.08 : x - Step 2: Convert to fraction form
102,124.32/153,186.56 = 32,009.08/x - Step 3: Cross multiply
102,124.32x = 153,186.56 × 32,009.08 - Step 4: Simplify right side
102,124.32x = 4,903,360,853.96 - Step 5: Solve for x
x = 4,903,360,853.96/102,124.32 - Step 6: Final answer
x = 48,013.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.