Home / 187,382.08-258,535.20-111,903.04

Finding the Fourth Proportional to 187,382.08, 258,535.20 and 111,903.04

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Solution

The fourth proportional to 187,382.08, 258,535.20 and 111,903.04 is: 154,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,382.08 : 258,535.20 = 111,903.04 : x
  2. Step 2: Convert to fraction form
    187,382.08/258,535.20 = 111,903.04/x
  3. Step 3: Cross multiply
    187,382.08x = 258,535.20 × 111,903.04
  4. Step 4: Simplify right side
    187,382.08x = 28,930,874,827.01
  5. Step 5: Solve for x
    x = 28,930,874,827.01/187,382.08
  6. Step 6: Final answer
    x = 154,395.10

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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.