Home / 102,424.37-153,531.32-39,229.65

Finding the Fourth Proportional to 102,424.37, 153,531.32 and 39,229.65

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Solution

The fourth proportional to 102,424.37, 153,531.32 and 39,229.65 is: 58,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,424.37 : 153,531.32 = 39,229.65 : x
  2. Step 2: Convert to fraction form
    102,424.37/153,531.32 = 39,229.65/x
  3. Step 3: Cross multiply
    102,424.37x = 153,531.32 × 39,229.65
  4. Step 4: Simplify right side
    102,424.37x = 6,022,979,751.49
  5. Step 5: Solve for x
    x = 6,022,979,751.49/102,424.37
  6. Step 6: Final answer
    x = 58,804.17

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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.