Finding the Fourth Proportional to 114,459.30, 157,955.67 and 63,474.12
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Solution
The fourth proportional to 114,459.30, 157,955.67 and 63,474.12 is: 87,595.30
Step by Step Solution
- Step 1: Write the proportion equation
114,459.30 : 157,955.67 = 63,474.12 : x - Step 2: Convert to fraction form
114,459.30/157,955.67 = 63,474.12/x - Step 3: Cross multiply
114,459.30x = 157,955.67 × 63,474.12 - Step 4: Simplify right side
114,459.30x = 10,026,097,152.26 - Step 5: Solve for x
x = 10,026,097,152.26/114,459.30 - Step 6: Final answer
x = 87,595.30
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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.