Finding the Fourth Proportional to 121,417.24, 167,555.08 and 67,702.92
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Solution
The fourth proportional to 121,417.24, 167,555.08 and 67,702.92 is: 93,429.63
Step by Step Solution
- Step 1: Write the proportion equation
121,417.24 : 167,555.08 = 67,702.92 : x - Step 2: Convert to fraction form
121,417.24/167,555.08 = 67,702.92/x - Step 3: Cross multiply
121,417.24x = 167,555.08 × 67,702.92 - Step 4: Simplify right side
121,417.24x = 11,343,968,176.83 - Step 5: Solve for x
x = 11,343,968,176.83/121,417.24 - Step 6: Final answer
x = 93,429.63
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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.