Home / 187,231.05-258,425.28-106,706.34

Finding the Fourth Proportional to 187,231.05, 258,425.28 and 106,706.34

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Solution

The fourth proportional to 187,231.05, 258,425.28 and 106,706.34 is: 147,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,231.05 : 258,425.28 = 106,706.34 : x
  2. Step 2: Convert to fraction form
    187,231.05/258,425.28 = 106,706.34/x
  3. Step 3: Cross multiply
    187,231.05x = 258,425.28 × 106,706.34
  4. Step 4: Simplify right side
    187,231.05x = 27,575,615,792.28
  5. Step 5: Solve for x
    x = 27,575,615,792.28/187,231.05
  6. Step 6: Final answer
    x = 147,281.21

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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.