Finding the Fourth Proportional to 143,073.98, 214,656.08 and 89,803.02
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Solution
The fourth proportional to 143,073.98, 214,656.08 and 89,803.02 is: 134,732.83
Step by Step Solution
- Step 1: Write the proportion equation
143,073.98 : 214,656.08 = 89,803.02 : x - Step 2: Convert to fraction form
143,073.98/214,656.08 = 89,803.02/x - Step 3: Cross multiply
143,073.98x = 214,656.08 × 89,803.02 - Step 4: Simplify right side
143,073.98x = 19,276,763,172.08 - Step 5: Solve for x
x = 19,276,763,172.08/143,073.98 - Step 6: Final answer
x = 134,732.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.