Finding the Fourth Proportional to 147,119.99, 203,040.56 and 86,710.13
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Solution
The fourth proportional to 147,119.99, 203,040.56 and 86,710.13 is: 119,668.79
Step by Step Solution
- Step 1: Write the proportion equation
147,119.99 : 203,040.56 = 86,710.13 : x - Step 2: Convert to fraction form
147,119.99/203,040.56 = 86,710.13/x - Step 3: Cross multiply
147,119.99x = 203,040.56 × 86,710.13 - Step 4: Simplify right side
147,119.99x = 17,605,671,904.12 - Step 5: Solve for x
x = 17,605,671,904.12/147,119.99 - Step 6: Final answer
x = 119,668.79
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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.