Finding the Fourth Proportional to 118,955.19, 178,376.28 and 69,050.58
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Solution
The fourth proportional to 118,955.19, 178,376.28 and 69,050.58 is: 103,543.07
Step by Step Solution
- Step 1: Write the proportion equation
118,955.19 : 178,376.28 = 69,050.58 : x - Step 2: Convert to fraction form
118,955.19/178,376.28 = 69,050.58/x - Step 3: Cross multiply
118,955.19x = 178,376.28 × 69,050.58 - Step 4: Simplify right side
118,955.19x = 12,316,985,592.24 - Step 5: Solve for x
x = 12,316,985,592.24/118,955.19 - Step 6: Final answer
x = 103,543.07
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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.