Finding the Fourth Proportional to 125,307.49, 187,982.30 and 62,130.73
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Solution
The fourth proportional to 125,307.49, 187,982.30 and 62,130.73 is: 93,206.54
Step by Step Solution
- Step 1: Write the proportion equation
125,307.49 : 187,982.30 = 62,130.73 : x - Step 2: Convert to fraction form
125,307.49/187,982.30 = 62,130.73/x - Step 3: Cross multiply
125,307.49x = 187,982.30 × 62,130.73 - Step 4: Simplify right side
125,307.49x = 11,679,477,526.08 - Step 5: Solve for x
x = 11,679,477,526.08/125,307.49 - Step 6: Final answer
x = 93,206.54
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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.