Finding the Fourth Proportional to 134,987.19, 186,281.21 and 73,733.42
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Solution
The fourth proportional to 134,987.19, 186,281.21 and 73,733.42 is: 101,751.52
Step by Step Solution
- Step 1: Write the proportion equation
134,987.19 : 186,281.21 = 73,733.42 : x - Step 2: Convert to fraction form
134,987.19/186,281.21 = 73,733.42/x - Step 3: Cross multiply
134,987.19x = 186,281.21 × 73,733.42 - Step 4: Simplify right side
134,987.19x = 13,735,151,345.07 - Step 5: Solve for x
x = 13,735,151,345.07/134,987.19 - Step 6: Final answer
x = 101,751.52
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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.