Home / 139,175.64-208,761.02-96,441.66

Finding the Fourth Proportional to 139,175.64, 208,761.02 and 96,441.66

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Solution

The fourth proportional to 139,175.64, 208,761.02 and 96,441.66 is: 144,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,175.64 : 208,761.02 = 96,441.66 : x
  2. Step 2: Convert to fraction form
    139,175.64/208,761.02 = 96,441.66/x
  3. Step 3: Cross multiply
    139,175.64x = 208,761.02 × 96,441.66
  4. Step 4: Simplify right side
    139,175.64x = 20,133,259,312.09
  5. Step 5: Solve for x
    x = 20,133,259,312.09/139,175.64
  6. Step 6: Final answer
    x = 144,660.80

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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.