Home / 187,214.20-258,359.34-102,334.84

Finding the Fourth Proportional to 187,214.20, 258,359.34 and 102,334.84

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Solution

The fourth proportional to 187,214.20, 258,359.34 and 102,334.84 is: 141,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,214.20 : 258,359.34 = 102,334.84 : x
  2. Step 2: Convert to fraction form
    187,214.20/258,359.34 = 102,334.84/x
  3. Step 3: Cross multiply
    187,214.20x = 258,359.34 × 102,334.84
  4. Step 4: Simplify right side
    187,214.20x = 26,439,161,721.41
  5. Step 5: Solve for x
    x = 26,439,161,721.41/187,214.20
  6. Step 6: Final answer
    x = 141,224.13

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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.