Home / 102,313.10-153,490.57-43,148.82

Finding the Fourth Proportional to 102,313.10, 153,490.57 and 43,148.82

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Solution

The fourth proportional to 102,313.10, 153,490.57 and 43,148.82 is: 64,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,313.10 : 153,490.57 = 43,148.82 : x
  2. Step 2: Convert to fraction form
    102,313.10/153,490.57 = 43,148.82/x
  3. Step 3: Cross multiply
    102,313.10x = 153,490.57 × 43,148.82
  4. Step 4: Simplify right side
    102,313.10x = 6,622,936,976.63
  5. Step 5: Solve for x
    x = 6,622,936,976.63/102,313.10
  6. Step 6: Final answer
    x = 64,732.05

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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.