Home / 187,047.14-258,126.40-102,164.18

Finding the Fourth Proportional to 187,047.14, 258,126.40 and 102,164.18

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Solution

The fourth proportional to 187,047.14, 258,126.40 and 102,164.18 is: 140,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,047.14 : 258,126.40 = 102,164.18 : x
  2. Step 2: Convert to fraction form
    187,047.14/258,126.40 = 102,164.18/x
  3. Step 3: Cross multiply
    187,047.14x = 258,126.40 × 102,164.18
  4. Step 4: Simplify right side
    187,047.14x = 26,371,271,992.35
  5. Step 5: Solve for x
    x = 26,371,271,992.35/187,047.14
  6. Step 6: Final answer
    x = 140,987.30

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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.