Finding the Fourth Proportional to 127,719.99, 176,246.15 and 93,870.63
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Solution
The fourth proportional to 127,719.99, 176,246.15 and 93,870.63 is: 129,536.00
Step by Step Solution
- Step 1: Write the proportion equation
127,719.99 : 176,246.15 = 93,870.63 : x - Step 2: Convert to fraction form
127,719.99/176,246.15 = 93,870.63/x - Step 3: Cross multiply
127,719.99x = 176,246.15 × 93,870.63 - Step 4: Simplify right side
127,719.99x = 16,544,336,666.22 - Step 5: Solve for x
x = 16,544,336,666.22/127,719.99 - Step 6: Final answer
x = 129,536.00
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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.