Finding the Fourth Proportional to 134,532.68, 185,656.38 and 74,103.59
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Solution
The fourth proportional to 134,532.68, 185,656.38 and 74,103.59 is: 102,263.66
Step by Step Solution
- Step 1: Write the proportion equation
134,532.68 : 185,656.38 = 74,103.59 : x - Step 2: Convert to fraction form
134,532.68/185,656.38 = 74,103.59/x - Step 3: Cross multiply
134,532.68x = 185,656.38 × 74,103.59 - Step 4: Simplify right side
134,532.68x = 13,757,804,264.40 - Step 5: Solve for x
x = 13,757,804,264.40/134,532.68 - Step 6: Final answer
x = 102,263.66
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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.