Finding the Fourth Proportional to 113,712.09, 156,925.35 and 62,726.46
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Solution
The fourth proportional to 113,712.09, 156,925.35 and 62,726.46 is: 86,563.99
Step by Step Solution
- Step 1: Write the proportion equation
113,712.09 : 156,925.35 = 62,726.46 : x - Step 2: Convert to fraction form
113,712.09/156,925.35 = 62,726.46/x - Step 3: Cross multiply
113,712.09x = 156,925.35 × 62,726.46 - Step 4: Simplify right side
113,712.09x = 9,843,371,689.76 - Step 5: Solve for x
x = 9,843,371,689.76/113,712.09 - Step 6: Final answer
x = 86,563.99
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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.