Finding the Fourth Proportional to 107,114.74, 160,686.08 and 39,637.59
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Solution
The fourth proportional to 107,114.74, 160,686.08 and 39,637.59 is: 59,461.55
Step by Step Solution
- Step 1: Write the proportion equation
107,114.74 : 160,686.08 = 39,637.59 : x - Step 2: Convert to fraction form
107,114.74/160,686.08 = 39,637.59/x - Step 3: Cross multiply
107,114.74x = 160,686.08 × 39,637.59 - Step 4: Simplify right side
107,114.74x = 6,369,208,305.63 - Step 5: Solve for x
x = 6,369,208,305.63/107,114.74 - Step 6: Final answer
x = 59,461.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.