Finding the Fourth Proportional to 130,460.84, 180,036.68 and 73,883.24
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Solution
The fourth proportional to 130,460.84, 180,036.68 and 73,883.24 is: 101,959.28
Step by Step Solution
- Step 1: Write the proportion equation
130,460.84 : 180,036.68 = 73,883.24 : x - Step 2: Convert to fraction form
130,460.84/180,036.68 = 73,883.24/x - Step 3: Cross multiply
130,460.84x = 180,036.68 × 73,883.24 - Step 4: Simplify right side
130,460.84x = 13,301,693,237.24 - Step 5: Solve for x
x = 13,301,693,237.24/130,460.84 - Step 6: Final answer
x = 101,959.28
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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.