Finding the Fourth Proportional to 130,161.88, 179,623.74 and 70,545.88
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Solution
The fourth proportional to 130,161.88, 179,623.74 and 70,545.88 is: 97,353.50
Step by Step Solution
- Step 1: Write the proportion equation
130,161.88 : 179,623.74 = 70,545.88 : x - Step 2: Convert to fraction form
130,161.88/179,623.74 = 70,545.88/x - Step 3: Cross multiply
130,161.88x = 179,623.74 × 70,545.88 - Step 4: Simplify right side
130,161.88x = 12,671,714,807.19 - Step 5: Solve for x
x = 12,671,714,807.19/130,161.88 - Step 6: Final answer
x = 97,353.50
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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.