Finding the Fourth Proportional to 145,637.04, 201,041.06 and 97,918.06
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Solution
The fourth proportional to 145,637.04, 201,041.06 and 97,918.06 is: 135,168.57
Step by Step Solution
- Step 1: Write the proportion equation
145,637.04 : 201,041.06 = 97,918.06 : x - Step 2: Convert to fraction form
145,637.04/201,041.06 = 97,918.06/x - Step 3: Cross multiply
145,637.04x = 201,041.06 × 97,918.06 - Step 4: Simplify right side
145,637.04x = 19,685,550,575.54 - Step 5: Solve for x
x = 19,685,550,575.54/145,637.04 - Step 6: Final answer
x = 135,168.57
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1.5x scale
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.