Home / 102,451.22-153,639.89-43,291.48

Finding the Fourth Proportional to 102,451.22, 153,639.89 and 43,291.48

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Solution

The fourth proportional to 102,451.22, 153,639.89 and 43,291.48 is: 64,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,451.22 : 153,639.89 = 43,291.48 : x
  2. Step 2: Convert to fraction form
    102,451.22/153,639.89 = 43,291.48/x
  3. Step 3: Cross multiply
    102,451.22x = 153,639.89 × 43,291.48
  4. Step 4: Simplify right side
    102,451.22x = 6,651,297,240.48
  5. Step 5: Solve for x
    x = 6,651,297,240.48/102,451.22
  6. Step 6: Final answer
    x = 64,921.60

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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.