Home / 102,507.44-153,818.57-43,387.36

Finding the Fourth Proportional to 102,507.44, 153,818.57 and 43,387.36

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Solution

The fourth proportional to 102,507.44, 153,818.57 and 43,387.36 is: 65,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,507.44 : 153,818.57 = 43,387.36 : x
  2. Step 2: Convert to fraction form
    102,507.44/153,818.57 = 43,387.36/x
  3. Step 3: Cross multiply
    102,507.44x = 153,818.57 × 43,387.36
  4. Step 4: Simplify right side
    102,507.44x = 6,673,781,671.28
  5. Step 5: Solve for x
    x = 6,673,781,671.28/102,507.44
  6. Step 6: Final answer
    x = 65,105.34

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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.