Home / 187,047.90-258,126.40-106,475.42

Finding the Fourth Proportional to 187,047.90, 258,126.40 and 106,475.42

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Solution

The fourth proportional to 187,047.90, 258,126.40 and 106,475.42 is: 146,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,047.90 : 258,126.40 = 106,475.42 : x
  2. Step 2: Convert to fraction form
    187,047.90/258,126.40 = 106,475.42/x
  3. Step 3: Cross multiply
    187,047.90x = 258,126.40 × 106,475.42
  4. Step 4: Simplify right side
    187,047.90x = 27,484,116,853.09
  5. Step 5: Solve for x
    x = 27,484,116,853.09/187,047.90
  6. Step 6: Final answer
    x = 146,936.25

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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.