Finding the Fourth Proportional to 125,574.68, 188,357.16 and 42,468.68
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Solution
The fourth proportional to 125,574.68, 188,357.16 and 42,468.68 is: 63,701.38
Step by Step Solution
- Step 1: Write the proportion equation
125,574.68 : 188,357.16 = 42,468.68 : x - Step 2: Convert to fraction form
125,574.68/188,357.16 = 42,468.68/x - Step 3: Cross multiply
125,574.68x = 188,357.16 × 42,468.68 - Step 4: Simplify right side
125,574.68x = 7,999,279,953.75 - Step 5: Solve for x
x = 7,999,279,953.75/125,574.68 - Step 6: Final answer
x = 63,701.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.