Finding the Fourth Proportional to 124,058.62, 171,202.71 and 76,283.74
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Solution
The fourth proportional to 124,058.62, 171,202.71 and 76,283.74 is: 105,272.68
Step by Step Solution
- Step 1: Write the proportion equation
124,058.62 : 171,202.71 = 76,283.74 : x - Step 2: Convert to fraction form
124,058.62/171,202.71 = 76,283.74/x - Step 3: Cross multiply
124,058.62x = 171,202.71 × 76,283.74 - Step 4: Simplify right side
124,058.62x = 13,059,983,016.94 - Step 5: Solve for x
x = 13,059,983,016.94/124,058.62 - Step 6: Final answer
x = 105,272.68
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1.5x scale
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.