Finding the Fourth Proportional to 127,492.68, 175,937.40 and 70,902.84
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Solution
The fourth proportional to 127,492.68, 175,937.40 and 70,902.84 is: 97,844.53
Step by Step Solution
- Step 1: Write the proportion equation
127,492.68 : 175,937.40 = 70,902.84 : x - Step 2: Convert to fraction form
127,492.68/175,937.40 = 70,902.84/x - Step 3: Cross multiply
127,492.68x = 175,937.40 × 70,902.84 - Step 4: Simplify right side
127,492.68x = 12,474,461,322.22 - Step 5: Solve for x
x = 12,474,461,322.22/127,492.68 - Step 6: Final answer
x = 97,844.53
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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.