Home / 187,016.04-258,078.15-102,133.44

Finding the Fourth Proportional to 187,016.04, 258,078.15 and 102,133.44

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Solution

The fourth proportional to 187,016.04, 258,078.15 and 102,133.44 is: 140,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,016.04 : 258,078.15 = 102,133.44 : x
  2. Step 2: Convert to fraction form
    187,016.04/258,078.15 = 102,133.44/x
  3. Step 3: Cross multiply
    187,016.04x = 258,078.15 × 102,133.44
  4. Step 4: Simplify right side
    187,016.04x = 26,358,409,248.34
  5. Step 5: Solve for x
    x = 26,358,409,248.34/187,016.04
  6. Step 6: Final answer
    x = 140,941.97

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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.