Finding the Fourth Proportional to 134,652.30, 185,812.95 and 74,210.91
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Solution
The fourth proportional to 134,652.30, 185,812.95 and 74,210.91 is: 102,407.07
Step by Step Solution
- Step 1: Write the proportion equation
134,652.30 : 185,812.95 = 74,210.91 : x - Step 2: Convert to fraction form
134,652.30/185,812.95 = 74,210.91/x - Step 3: Cross multiply
134,652.30x = 185,812.95 × 74,210.91 - Step 4: Simplify right side
134,652.30x = 13,789,348,109.28 - Step 5: Solve for x
x = 13,789,348,109.28/134,652.30 - Step 6: Final answer
x = 102,407.07
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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.