Finding the Fourth Proportional to 133,246.14, 183,888.39 and 75,117.21
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Solution
The fourth proportional to 133,246.14, 183,888.39 and 75,117.21 is: 103,666.66
Step by Step Solution
- Step 1: Write the proportion equation
133,246.14 : 183,888.39 = 75,117.21 : x - Step 2: Convert to fraction form
133,246.14/183,888.39 = 75,117.21/x - Step 3: Cross multiply
133,246.14x = 183,888.39 × 75,117.21 - Step 4: Simplify right side
133,246.14x = 13,813,182,808.19 - Step 5: Solve for x
x = 13,813,182,808.19/133,246.14 - Step 6: Final answer
x = 103,666.66
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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.