Finding the Fourth Proportional to 134,823.79, 186,053.65 and 74,394.45
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Solution
The fourth proportional to 134,823.79, 186,053.65 and 74,394.45 is: 102,662.59
Step by Step Solution
- Step 1: Write the proportion equation
134,823.79 : 186,053.65 = 74,394.45 : x - Step 2: Convert to fraction form
134,823.79/186,053.65 = 74,394.45/x - Step 3: Cross multiply
134,823.79x = 186,053.65 × 74,394.45 - Step 4: Simplify right side
134,823.79x = 13,841,358,962.24 - Step 5: Solve for x
x = 13,841,358,962.24/134,823.79 - Step 6: Final answer
x = 102,662.59
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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.