Finding the Fourth Proportional to 178,132.52, 245,824.52 and 121,542.68
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Solution
The fourth proportional to 178,132.52, 245,824.52 and 121,542.68 is: 167,730.02
Step by Step Solution
- Step 1: Write the proportion equation
178,132.52 : 245,824.52 = 121,542.68 : x - Step 2: Convert to fraction form
178,132.52/245,824.52 = 121,542.68/x - Step 3: Cross multiply
178,132.52x = 245,824.52 × 121,542.68 - Step 4: Simplify right side
178,132.52x = 29,878,170,970.51 - Step 5: Solve for x
x = 29,878,170,970.51/178,132.52 - Step 6: Final answer
x = 167,730.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.