Home / 134,434.17-185,519.21-74,007.15

Finding the Fourth Proportional to 134,434.17, 185,519.21 and 74,007.15

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Solution

The fourth proportional to 134,434.17, 185,519.21 and 74,007.15 is: 102,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,434.17 : 185,519.21 = 74,007.15 : x
  2. Step 2: Convert to fraction form
    134,434.17/185,519.21 = 74,007.15/x
  3. Step 3: Cross multiply
    134,434.17x = 185,519.21 × 74,007.15
  4. Step 4: Simplify right side
    134,434.17x = 13,729,747,632.32
  5. Step 5: Solve for x
    x = 13,729,747,632.32/134,434.17
  6. Step 6: Final answer
    x = 102,129.89

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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.