Finding the Fourth Proportional to 104,977.70, 157,466.55 and 92,511.80
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Solution
The fourth proportional to 104,977.70, 157,466.55 and 92,511.80 is: 138,767.70
Step by Step Solution
- Step 1: Write the proportion equation
104,977.70 : 157,466.55 = 92,511.80 : x - Step 2: Convert to fraction form
104,977.70/157,466.55 = 92,511.80/x - Step 3: Cross multiply
104,977.70x = 157,466.55 × 92,511.80 - Step 4: Simplify right side
104,977.70x = 14,567,513,980.29 - Step 5: Solve for x
x = 14,567,513,980.29/104,977.70 - Step 6: Final answer
x = 138,767.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.