Home / 187,209.56-258,349.32-102,326.62

Finding the Fourth Proportional to 187,209.56, 258,349.32 and 102,326.62

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Solution

The fourth proportional to 187,209.56, 258,349.32 and 102,326.62 is: 141,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,209.56 : 258,349.32 = 102,326.62 : x
  2. Step 2: Convert to fraction form
    187,209.56/258,349.32 = 102,326.62/x
  3. Step 3: Cross multiply
    187,209.56x = 258,349.32 × 102,326.62
  4. Step 4: Simplify right side
    187,209.56x = 26,436,010,891.52
  5. Step 5: Solve for x
    x = 26,436,010,891.52/187,209.56
  6. Step 6: Final answer
    x = 141,210.80

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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.