Finding the Fourth Proportional to 124,438.06, 185,748.62 and 106,782.18
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Solution
The fourth proportional to 124,438.06, 185,748.62 and 106,782.18 is: 159,393.70
Step by Step Solution
- Step 1: Write the proportion equation
124,438.06 : 185,748.62 = 106,782.18 : x - Step 2: Convert to fraction form
124,438.06/185,748.62 = 106,782.18/x - Step 3: Cross multiply
124,438.06x = 185,748.62 × 106,782.18 - Step 4: Simplify right side
124,438.06x = 19,834,642,575.59 - Step 5: Solve for x
x = 19,834,642,575.59/124,438.06 - Step 6: Final answer
x = 159,393.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.