Home / 114,682.18-172,079.65-51,546.91

Finding the Fourth Proportional to 114,682.18, 172,079.65 and 51,546.91

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Solution

The fourth proportional to 114,682.18, 172,079.65 and 51,546.91 is: 77,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,682.18 : 172,079.65 = 51,546.91 : x
  2. Step 2: Convert to fraction form
    114,682.18/172,079.65 = 51,546.91/x
  3. Step 3: Cross multiply
    114,682.18x = 172,079.65 × 51,546.91
  4. Step 4: Simplify right side
    114,682.18x = 8,870,173,776.78
  5. Step 5: Solve for x
    x = 8,870,173,776.78/114,682.18
  6. Step 6: Final answer
    x = 77,345.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.