Finding the Fourth Proportional to 134,292.96, 185,223.58 and 128,337.12
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Solution
The fourth proportional to 134,292.96, 185,223.58 and 128,337.12 is: 177,008.99
Step by Step Solution
- Step 1: Write the proportion equation
134,292.96 : 185,223.58 = 128,337.12 : x - Step 2: Convert to fraction form
134,292.96/185,223.58 = 128,337.12/x - Step 3: Cross multiply
134,292.96x = 185,223.58 × 128,337.12 - Step 4: Simplify right side
134,292.96x = 23,771,060,813.29 - Step 5: Solve for x
x = 23,771,060,813.29/134,292.96 - Step 6: Final answer
x = 177,008.99
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1.5x scale
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.