Finding the Fourth Proportional to 134,781.52, 186,026.88 and 92,395.84
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Solution
The fourth proportional to 134,781.52, 186,026.88 and 92,395.84 is: 127,525.72
Step by Step Solution
- Step 1: Write the proportion equation
134,781.52 : 186,026.88 = 92,395.84 : x - Step 2: Convert to fraction form
134,781.52/186,026.88 = 92,395.84/x - Step 3: Cross multiply
134,781.52x = 186,026.88 × 92,395.84 - Step 4: Simplify right side
134,781.52x = 17,188,109,840.18 - Step 5: Solve for x
x = 17,188,109,840.18/134,781.52 - Step 6: Final answer
x = 127,525.72
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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.