Finding the Fourth Proportional to 124,767.84, 172,136.43 and 97,641.75
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Solution
The fourth proportional to 124,767.84, 172,136.43 and 97,641.75 is: 134,711.82
Step by Step Solution
- Step 1: Write the proportion equation
124,767.84 : 172,136.43 = 97,641.75 : x - Step 2: Convert to fraction form
124,767.84/172,136.43 = 97,641.75/x - Step 3: Cross multiply
124,767.84x = 172,136.43 × 97,641.75 - Step 4: Simplify right side
124,767.84x = 16,807,702,263.95 - Step 5: Solve for x
x = 16,807,702,263.95/124,767.84 - Step 6: Final answer
x = 134,711.82
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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.