Finding the Fourth Proportional to 124,115.56, 171,283.74 and 67,529.08
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Solution
The fourth proportional to 124,115.56, 171,283.74 and 67,529.08 is: 93,192.45
Step by Step Solution
- Step 1: Write the proportion equation
124,115.56 : 171,283.74 = 67,529.08 : x - Step 2: Convert to fraction form
124,115.56/171,283.74 = 67,529.08/x - Step 3: Cross multiply
124,115.56x = 171,283.74 × 67,529.08 - Step 4: Simplify right side
124,115.56x = 11,566,633,381.16 - Step 5: Solve for x
x = 11,566,633,381.16/124,115.56 - Step 6: Final answer
x = 93,192.45
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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.