Finding the Fourth Proportional to 187,722.68, 259,055.70 and 101,681.80
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Solution
The fourth proportional to 187,722.68, 259,055.70 and 101,681.80 is: 140,320.02
Step by Step Solution
- Step 1: Write the proportion equation
187,722.68 : 259,055.70 = 101,681.80 : x - Step 2: Convert to fraction form
187,722.68/259,055.70 = 101,681.80/x - Step 3: Cross multiply
187,722.68x = 259,055.70 × 101,681.80 - Step 4: Simplify right side
187,722.68x = 26,341,249,876.26 - Step 5: Solve for x
x = 26,341,249,876.26/187,722.68 - Step 6: Final answer
x = 140,320.02
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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.