Home / 187,103.69-258,203.35-106,531.26

Finding the Fourth Proportional to 187,103.69, 258,203.35 and 106,531.26

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Solution

The fourth proportional to 187,103.69, 258,203.35 and 106,531.26 is: 147,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,103.69 : 258,203.35 = 106,531.26 : x
  2. Step 2: Convert to fraction form
    187,103.69/258,203.35 = 106,531.26/x
  3. Step 3: Cross multiply
    187,103.69x = 258,203.35 × 106,531.26
  4. Step 4: Simplify right side
    187,103.69x = 27,506,726,777.38
  5. Step 5: Solve for x
    x = 27,506,726,777.38/187,103.69
  6. Step 6: Final answer
    x = 147,013.27

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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.