Finding the Fourth Proportional to 127,214.74, 175,558.35 and 70,626.70
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Solution
The fourth proportional to 127,214.74, 175,558.35 and 70,626.70 is: 97,465.96
Step by Step Solution
- Step 1: Write the proportion equation
127,214.74 : 175,558.35 = 70,626.70 : x - Step 2: Convert to fraction form
127,214.74/175,558.35 = 70,626.70/x - Step 3: Cross multiply
127,214.74x = 175,558.35 × 70,626.70 - Step 4: Simplify right side
127,214.74x = 12,399,106,917.95 - Step 5: Solve for x
x = 12,399,106,917.95/127,214.74 - Step 6: Final answer
x = 97,465.96
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1.5x scale
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.