Home / 131,284.64-181,179.60-74,704.16

Finding the Fourth Proportional to 131,284.64, 181,179.60 and 74,704.16

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Solution

The fourth proportional to 131,284.64, 181,179.60 and 74,704.16 is: 103,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,284.64 : 181,179.60 = 74,704.16 : x
  2. Step 2: Convert to fraction form
    131,284.64/181,179.60 = 74,704.16/x
  3. Step 3: Cross multiply
    131,284.64x = 181,179.60 × 74,704.16
  4. Step 4: Simplify right side
    131,284.64x = 13,534,869,827.14
  5. Step 5: Solve for x
    x = 13,534,869,827.14/131,284.64
  6. Step 6: Final answer
    x = 103,095.61

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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.