Home / 131,714.16-181,765.74-71,284.92

Finding the Fourth Proportional to 131,714.16, 181,765.74 and 71,284.92

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Solution

The fourth proportional to 131,714.16, 181,765.74 and 71,284.92 is: 98,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,714.16 : 181,765.74 = 71,284.92 : x
  2. Step 2: Convert to fraction form
    131,714.16/181,765.74 = 71,284.92/x
  3. Step 3: Cross multiply
    131,714.16x = 181,765.74 × 71,284.92
  4. Step 4: Simplify right side
    131,714.16x = 12,957,156,234.64
  5. Step 5: Solve for x
    x = 12,957,156,234.64/131,714.16
  6. Step 6: Final answer
    x = 98,373.30

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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.