Finding the Fourth Proportional to 125,746.12, 173,526.79 and 69,158.44
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Solution
The fourth proportional to 125,746.12, 173,526.79 and 69,158.44 is: 95,437.07
Step by Step Solution
- Step 1: Write the proportion equation
125,746.12 : 173,526.79 = 69,158.44 : x - Step 2: Convert to fraction form
125,746.12/173,526.79 = 69,158.44/x - Step 3: Cross multiply
125,746.12x = 173,526.79 × 69,158.44 - Step 4: Simplify right side
125,746.12x = 12,000,840,881.18 - Step 5: Solve for x
x = 12,000,840,881.18/125,746.12 - Step 6: Final answer
x = 95,437.07
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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.