Finding the Fourth Proportional to 134,547.41, 185,674.52 and 74,116.68
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Solution
The fourth proportional to 134,547.41, 185,674.52 and 74,116.68 is: 102,280.52
Step by Step Solution
- Step 1: Write the proportion equation
134,547.41 : 185,674.52 = 74,116.68 : x - Step 2: Convert to fraction form
134,547.41/185,674.52 = 74,116.68/x - Step 3: Cross multiply
134,547.41x = 185,674.52 × 74,116.68 - Step 4: Simplify right side
134,547.41x = 13,761,578,612.41 - Step 5: Solve for x
x = 13,761,578,612.41/134,547.41 - Step 6: Final answer
x = 102,280.52
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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.