Home / 136,386.79-204,440.76-92,018.03

Finding the Fourth Proportional to 136,386.79, 204,440.76 and 92,018.03

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Solution

The fourth proportional to 136,386.79, 204,440.76 and 92,018.03 is: 137,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,386.79 : 204,440.76 = 92,018.03 : x
  2. Step 2: Convert to fraction form
    136,386.79/204,440.76 = 92,018.03/x
  3. Step 3: Cross multiply
    136,386.79x = 204,440.76 × 92,018.03
  4. Step 4: Simplify right side
    136,386.79x = 18,812,234,964.70
  5. Step 5: Solve for x
    x = 18,812,234,964.70/136,386.79
  6. Step 6: Final answer
    x = 137,932.97

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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.