Finding the Fourth Proportional to 167,130.79, 230,643.62 and 102,567.70
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Solution
The fourth proportional to 167,130.79, 230,643.62 and 102,567.70 is: 141,545.35
Step by Step Solution
- Step 1: Write the proportion equation
167,130.79 : 230,643.62 = 102,567.70 : x - Step 2: Convert to fraction form
167,130.79/230,643.62 = 102,567.70/x - Step 3: Cross multiply
167,130.79x = 230,643.62 × 102,567.70 - Step 4: Simplify right side
167,130.79x = 23,656,585,302.88 - Step 5: Solve for x
x = 23,656,585,302.88/167,130.79 - Step 6: Final answer
x = 141,545.35
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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.