Finding the Fourth Proportional to 153,873.04, 212,177.37 and 100,058.26
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Solution
The fourth proportional to 153,873.04, 212,177.37 and 100,058.26 is: 137,971.53
Step by Step Solution
- Step 1: Write the proportion equation
153,873.04 : 212,177.37 = 100,058.26 : x - Step 2: Convert to fraction form
153,873.04/212,177.37 = 100,058.26/x - Step 3: Cross multiply
153,873.04x = 212,177.37 × 100,058.26 - Step 4: Simplify right side
153,873.04x = 21,230,098,453.58 - Step 5: Solve for x
x = 21,230,098,453.58/153,873.04 - Step 6: Final answer
x = 137,971.53
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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.