Finding the Fourth Proportional to 134,975.79, 186,267.99 and 74,547.96
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Solution
The fourth proportional to 134,975.79, 186,267.99 and 74,547.96 is: 102,876.96
Step by Step Solution
- Step 1: Write the proportion equation
134,975.79 : 186,267.99 = 74,547.96 : x - Step 2: Convert to fraction form
134,975.79/186,267.99 = 74,547.96/x - Step 3: Cross multiply
134,975.79x = 186,267.99 × 74,547.96 - Step 4: Simplify right side
134,975.79x = 13,885,898,667.80 - Step 5: Solve for x
x = 13,885,898,667.80/134,975.79 - Step 6: Final answer
x = 102,876.96
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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.