Finding the Fourth Proportional to 126,937.41, 175,170.65 and 70,347.57
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Solution
The fourth proportional to 126,937.41, 175,170.65 and 70,347.57 is: 97,077.99
Step by Step Solution
- Step 1: Write the proportion equation
126,937.41 : 175,170.65 = 70,347.57 : x - Step 2: Convert to fraction form
126,937.41/175,170.65 = 70,347.57/x - Step 3: Cross multiply
126,937.41x = 175,170.65 × 70,347.57 - Step 4: Simplify right side
126,937.41x = 12,322,829,211.08 - Step 5: Solve for x
x = 12,322,829,211.08/126,937.41 - Step 6: Final answer
x = 97,077.99
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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.