Finding the Fourth Proportional to 114,764.19, 158,378.58 and 63,779.07
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Solution
The fourth proportional to 114,764.19, 158,378.58 and 63,779.07 is: 88,017.34
Step by Step Solution
- Step 1: Write the proportion equation
114,764.19 : 158,378.58 = 63,779.07 : x - Step 2: Convert to fraction form
114,764.19/158,378.58 = 63,779.07/x - Step 3: Cross multiply
114,764.19x = 158,378.58 × 63,779.07 - Step 4: Simplify right side
114,764.19x = 10,101,238,221.43 - Step 5: Solve for x
x = 10,101,238,221.43/114,764.19 - Step 6: Final answer
x = 88,017.34
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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.