Finding the Fourth Proportional to 157,064.08, 216,751.80 and 89,996.08
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Solution
The fourth proportional to 157,064.08, 216,751.80 and 89,996.08 is: 124,196.52
Step by Step Solution
- Step 1: Write the proportion equation
157,064.08 : 216,751.80 = 89,996.08 : x - Step 2: Convert to fraction form
157,064.08/216,751.80 = 89,996.08/x - Step 3: Cross multiply
157,064.08x = 216,751.80 × 89,996.08 - Step 4: Simplify right side
157,064.08x = 19,506,812,332.94 - Step 5: Solve for x
x = 19,506,812,332.94/157,064.08 - Step 6: Final answer
x = 124,196.52
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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.