Finding the Fourth Proportional to 124,069.19, 171,160.58 and 76,294.31
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Solution
The fourth proportional to 124,069.19, 171,160.58 and 76,294.31 is: 105,252.38
Step by Step Solution
- Step 1: Write the proportion equation
124,069.19 : 171,160.58 = 76,294.31 : x - Step 2: Convert to fraction form
124,069.19/171,160.58 = 76,294.31/x - Step 3: Cross multiply
124,069.19x = 171,160.58 × 76,294.31 - Step 4: Simplify right side
124,069.19x = 13,058,577,968.83 - Step 5: Solve for x
x = 13,058,577,968.83/124,069.19 - Step 6: Final answer
x = 105,252.38
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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.