Home / 187,512.60-258,768.90-102,630.36

Finding the Fourth Proportional to 187,512.60, 258,768.90 and 102,630.36

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Solution

The fourth proportional to 187,512.60, 258,768.90 and 102,630.36 is: 141,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,512.60 : 258,768.90 = 102,630.36 : x
  2. Step 2: Convert to fraction form
    187,512.60/258,768.90 = 102,630.36/x
  3. Step 3: Cross multiply
    187,512.60x = 258,768.90 × 102,630.36
  4. Step 4: Simplify right side
    187,512.60x = 26,557,545,363.80
  5. Step 5: Solve for x
    x = 26,557,545,363.80/187,512.60
  6. Step 6: Final answer
    x = 141,630.72

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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.