Home / 134,215.20-185,256-83,243.52

Finding the Fourth Proportional to 134,215.20, 185,256 and 83,243.52

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Solution

The fourth proportional to 134,215.20, 185,256 and 83,243.52 is: 114,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,215.20 : 185,256 = 83,243.52 : x
  2. Step 2: Convert to fraction form
    134,215.20/185,256 = 83,243.52/x
  3. Step 3: Cross multiply
    134,215.20x = 185,256 × 83,243.52
  4. Step 4: Simplify right side
    134,215.20x = 15,421,361,541.12
  5. Step 5: Solve for x
    x = 15,421,361,541.12/134,215.20
  6. Step 6: Final answer
    x = 114,900.26

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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.