Finding the Fourth Proportional to 145,001.08, 199,986.06 and 119,806.84
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Solution
The fourth proportional to 145,001.08, 199,986.06 and 119,806.84 is: 165,238.07
Step by Step Solution
- Step 1: Write the proportion equation
145,001.08 : 199,986.06 = 119,806.84 : x - Step 2: Convert to fraction form
145,001.08/199,986.06 = 119,806.84/x - Step 3: Cross multiply
145,001.08x = 199,986.06 × 119,806.84 - Step 4: Simplify right side
145,001.08x = 23,959,697,892.65 - Step 5: Solve for x
x = 23,959,697,892.65/145,001.08 - Step 6: Final answer
x = 165,238.07
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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.