Finding the Fourth Proportional to 101,965.36, 140,763.36 and 63,746.14
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Solution
The fourth proportional to 101,965.36, 140,763.36 and 63,746.14 is: 88,001.66
Step by Step Solution
- Step 1: Write the proportion equation
101,965.36 : 140,763.36 = 63,746.14 : x - Step 2: Convert to fraction form
101,965.36/140,763.36 = 63,746.14/x - Step 3: Cross multiply
101,965.36x = 140,763.36 × 63,746.14 - Step 4: Simplify right side
101,965.36x = 8,973,120,853.43 - Step 5: Solve for x
x = 8,973,120,853.43/101,965.36 - Step 6: Final answer
x = 88,001.66
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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.