Finding the Fourth Proportional to 124,298.20, 171,472.74 and 84,026.08
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Solution
The fourth proportional to 124,298.20, 171,472.74 and 84,026.08 is: 115,916.26
Step by Step Solution
- Step 1: Write the proportion equation
124,298.20 : 171,472.74 = 84,026.08 : x - Step 2: Convert to fraction form
124,298.20/171,472.74 = 84,026.08/x - Step 3: Cross multiply
124,298.20x = 171,472.74 × 84,026.08 - Step 4: Simplify right side
124,298.20x = 14,408,182,169.06 - Step 5: Solve for x
x = 14,408,182,169.06/124,298.20 - Step 6: Final answer
x = 115,916.26
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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.