Finding the Fourth Proportional to 134,354.84, 185,210.91 and 85,951.53
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Solution
The fourth proportional to 134,354.84, 185,210.91 and 85,951.53 is: 118,485.96
Step by Step Solution
- Step 1: Write the proportion equation
134,354.84 : 185,210.91 = 85,951.53 : x - Step 2: Convert to fraction form
134,354.84/185,210.91 = 85,951.53/x - Step 3: Cross multiply
134,354.84x = 185,210.91 × 85,951.53 - Step 4: Simplify right side
134,354.84x = 15,919,161,087.19 - Step 5: Solve for x
x = 15,919,161,087.19/134,354.84 - Step 6: Final answer
x = 118,485.96
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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.