Home / 134,434.66-185,519.90-74,007.66

Finding the Fourth Proportional to 134,434.66, 185,519.90 and 74,007.66

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Solution

The fourth proportional to 134,434.66, 185,519.90 and 74,007.66 is: 102,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,434.66 : 185,519.90 = 74,007.66 : x
  2. Step 2: Convert to fraction form
    134,434.66/185,519.90 = 74,007.66/x
  3. Step 3: Cross multiply
    134,434.66x = 185,519.90 × 74,007.66
  4. Step 4: Simplify right side
    134,434.66x = 13,729,893,682.43
  5. Step 5: Solve for x
    x = 13,729,893,682.43/134,434.66
  6. Step 6: Final answer
    x = 102,130.61

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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.