Finding the Fourth Proportional to 122,047.39, 168,281.91 and 97,828.99
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Solution
The fourth proportional to 122,047.39, 168,281.91 and 97,828.99 is: 134,888.99
Step by Step Solution
- Step 1: Write the proportion equation
122,047.39 : 168,281.91 = 97,828.99 : x - Step 2: Convert to fraction form
122,047.39/168,281.91 = 97,828.99/x - Step 3: Cross multiply
122,047.39x = 168,281.91 × 97,828.99 - Step 4: Simplify right side
122,047.39x = 16,462,849,290.57 - Step 5: Solve for x
x = 16,462,849,290.57/122,047.39 - Step 6: Final answer
x = 134,888.99
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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.