Home / 190,863.40-286,586.70-146,540.20

Finding the Fourth Proportional to 190,863.40, 286,586.70 and 146,540.20

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Solution

The fourth proportional to 190,863.40, 286,586.70 and 146,540.20 is: 220,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,863.40 : 286,586.70 = 146,540.20 : x
  2. Step 2: Convert to fraction form
    190,863.40/286,586.70 = 146,540.20/x
  3. Step 3: Cross multiply
    190,863.40x = 286,586.70 × 146,540.20
  4. Step 4: Simplify right side
    190,863.40x = 41,996,472,335.34
  5. Step 5: Solve for x
    x = 41,996,472,335.34/190,863.40
  6. Step 6: Final answer
    x = 220,034.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.