Finding the Fourth Proportional to 145,643.96, 201,050.74 and 97,925.12
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Solution
The fourth proportional to 145,643.96, 201,050.74 and 97,925.12 is: 135,178.40
Step by Step Solution
- Step 1: Write the proportion equation
145,643.96 : 201,050.74 = 97,925.12 : x - Step 2: Convert to fraction form
145,643.96/201,050.74 = 97,925.12/x - Step 3: Cross multiply
145,643.96x = 201,050.74 × 97,925.12 - Step 4: Simplify right side
145,643.96x = 19,687,917,840.59 - Step 5: Solve for x
x = 19,687,917,840.59/145,643.96 - Step 6: Final answer
x = 135,178.40
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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.