Finding the Fourth Proportional to 135,011.10, 202,354.65 and 56,084.70
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Solution
The fourth proportional to 135,011.10, 202,354.65 and 56,084.70 is: 84,059.75
Step by Step Solution
- Step 1: Write the proportion equation
135,011.10 : 202,354.65 = 56,084.70 : x - Step 2: Convert to fraction form
135,011.10/202,354.65 = 56,084.70/x - Step 3: Cross multiply
135,011.10x = 202,354.65 × 56,084.70 - Step 4: Simplify right side
135,011.10x = 11,348,999,838.86 - Step 5: Solve for x
x = 11,348,999,838.86/135,011.10 - Step 6: Final answer
x = 84,059.75
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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.