Finding the Fourth Proportional to 157,701.90, 236,479.95 and 68,909.70
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Solution
The fourth proportional to 157,701.90, 236,479.95 and 68,909.70 is: 103,332.70
Step by Step Solution
- Step 1: Write the proportion equation
157,701.90 : 236,479.95 = 68,909.70 : x - Step 2: Convert to fraction form
157,701.90/236,479.95 = 68,909.70/x - Step 3: Cross multiply
157,701.90x = 236,479.95 × 68,909.70 - Step 4: Simplify right side
157,701.90x = 16,295,762,410.52 - Step 5: Solve for x
x = 16,295,762,410.52/157,701.90 - Step 6: Final answer
x = 103,332.70
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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.