Finding the Fourth Proportional to 133,810.99, 184,562.75 and 86,018.66
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Solution
The fourth proportional to 133,810.99, 184,562.75 and 86,018.66 is: 118,643.77
Step by Step Solution
- Step 1: Write the proportion equation
133,810.99 : 184,562.75 = 86,018.66 : x - Step 2: Convert to fraction form
133,810.99/184,562.75 = 86,018.66/x - Step 3: Cross multiply
133,810.99x = 184,562.75 × 86,018.66 - Step 4: Simplify right side
133,810.99x = 15,875,840,425.26 - Step 5: Solve for x
x = 15,875,840,425.26/133,810.99 - Step 6: Final answer
x = 118,643.77
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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.