Finding the Fourth Proportional to 159,106.08, 219,599.80 and 100,925.18
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Solution
The fourth proportional to 159,106.08, 219,599.80 and 100,925.18 is: 139,297.94
Step by Step Solution
- Step 1: Write the proportion equation
159,106.08 : 219,599.80 = 100,925.18 : x - Step 2: Convert to fraction form
159,106.08/219,599.80 = 100,925.18/x - Step 3: Cross multiply
159,106.08x = 219,599.80 × 100,925.18 - Step 4: Simplify right side
159,106.08x = 22,163,149,342.96 - Step 5: Solve for x
x = 22,163,149,342.96/159,106.08 - Step 6: Final answer
x = 139,297.94
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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.