Finding the Fourth Proportional to 156,726.10, 235,128.93 and 72,546.99
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Solution
The fourth proportional to 156,726.10, 235,128.93 and 72,546.99 is: 108,838.90
Step by Step Solution
- Step 1: Write the proportion equation
156,726.10 : 235,128.93 = 72,546.99 : x - Step 2: Convert to fraction form
156,726.10/235,128.93 = 72,546.99/x - Step 3: Cross multiply
156,726.10x = 235,128.93 × 72,546.99 - Step 4: Simplify right side
156,726.10x = 17,057,896,133.42 - Step 5: Solve for x
x = 17,057,896,133.42/156,726.10 - Step 6: Final answer
x = 108,838.90
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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.