Home / 187,423.98-258,651.90-106,838.46

Finding the Fourth Proportional to 187,423.98, 258,651.90 and 106,838.46

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Solution

The fourth proportional to 187,423.98, 258,651.90 and 106,838.46 is: 147,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,423.98 : 258,651.90 = 106,838.46 : x
  2. Step 2: Convert to fraction form
    187,423.98/258,651.90 = 106,838.46/x
  3. Step 3: Cross multiply
    187,423.98x = 258,651.90 × 106,838.46
  4. Step 4: Simplify right side
    187,423.98x = 27,633,970,672.07
  5. Step 5: Solve for x
    x = 27,633,970,672.07/187,423.98
  6. Step 6: Final answer
    x = 147,440.96

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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.