Finding the Fourth Proportional to 97,750.80, 136,555.20 and 97,750.80
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Solution
The fourth proportional to 97,750.80, 136,555.20 and 97,750.80 is: 136,555.20
Step by Step Solution
- Step 1: Write the proportion equation
97,750.80 : 136,555.20 = 97,750.80 : x - Step 2: Convert to fraction form
97,750.80/136,555.20 = 97,750.80/x - Step 3: Cross multiply
97,750.80x = 136,555.20 × 97,750.80 - Step 4: Simplify right side
97,750.80x = 13,348,380,044.16 - Step 5: Solve for x
x = 13,348,380,044.16/97,750.80 - Step 6: Final answer
x = 136,555.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.