Home / 187,435.20-258,657.12-102,550.32

Finding the Fourth Proportional to 187,435.20, 258,657.12 and 102,550.32

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Solution

The fourth proportional to 187,435.20, 258,657.12 and 102,550.32 is: 141,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,435.20 : 258,657.12 = 102,550.32 : x
  2. Step 2: Convert to fraction form
    187,435.20/258,657.12 = 102,550.32/x
  3. Step 3: Cross multiply
    187,435.20x = 258,657.12 × 102,550.32
  4. Step 4: Simplify right side
    187,435.20x = 26,525,370,426.28
  5. Step 5: Solve for x
    x = 26,525,370,426.28/187,435.20
  6. Step 6: Final answer
    x = 141,517.55

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1.5x scale

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.