Home / 131,582.21-181,583.57-71,152.88

Finding the Fourth Proportional to 131,582.21, 181,583.57 and 71,152.88

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Solution

The fourth proportional to 131,582.21, 181,583.57 and 71,152.88 is: 98,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,582.21 : 181,583.57 = 71,152.88 : x
  2. Step 2: Convert to fraction form
    131,582.21/181,583.57 = 71,152.88/x
  3. Step 3: Cross multiply
    131,582.21x = 181,583.57 × 71,152.88
  4. Step 4: Simplify right side
    131,582.21x = 12,920,193,236.15
  5. Step 5: Solve for x
    x = 12,920,193,236.15/131,582.21
  6. Step 6: Final answer
    x = 98,191.04

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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.