Home / 187,210.99-258,310.47-110,734.30

Finding the Fourth Proportional to 187,210.99, 258,310.47 and 110,734.30

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Solution

The fourth proportional to 187,210.99, 258,310.47 and 110,734.30 is: 152,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,210.99 : 258,310.47 = 110,734.30 : x
  2. Step 2: Convert to fraction form
    187,210.99/258,310.47 = 110,734.30/x
  3. Step 3: Cross multiply
    187,210.99x = 258,310.47 × 110,734.30
  4. Step 4: Simplify right side
    187,210.99x = 28,603,829,078.12
  5. Step 5: Solve for x
    x = 28,603,829,078.12/187,210.99
  6. Step 6: Final answer
    x = 152,789.26

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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.