Finding the Fourth Proportional to 126,867.18, 175,063.95 and 70,267.98
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Solution
The fourth proportional to 126,867.18, 175,063.95 and 70,267.98 is: 96,962.75
Step by Step Solution
- Step 1: Write the proportion equation
126,867.18 : 175,063.95 = 70,267.98 : x - Step 2: Convert to fraction form
126,867.18/175,063.95 = 70,267.98/x - Step 3: Cross multiply
126,867.18x = 175,063.95 × 70,267.98 - Step 4: Simplify right side
126,867.18x = 12,301,390,137.32 - Step 5: Solve for x
x = 12,301,390,137.32/126,867.18 - Step 6: Final answer
x = 96,962.75
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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.