Finding the Fourth Proportional to 135,703.60, 203,555.40 and 93,713.20
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Solution
The fourth proportional to 135,703.60, 203,555.40 and 93,713.20 is: 140,569.80
Step by Step Solution
- Step 1: Write the proportion equation
135,703.60 : 203,555.40 = 93,713.20 : x - Step 2: Convert to fraction form
135,703.60/203,555.40 = 93,713.20/x - Step 3: Cross multiply
135,703.60x = 203,555.40 × 93,713.20 - Step 4: Simplify right side
135,703.60x = 19,075,827,911.28 - Step 5: Solve for x
x = 19,075,827,911.28/135,703.60 - Step 6: Final answer
x = 140,569.80
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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.