Home / 136,318.68-204,510.33-42,824.43

Finding the Fourth Proportional to 136,318.68, 204,510.33 and 42,824.43

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Solution

The fourth proportional to 136,318.68, 204,510.33 and 42,824.43 is: 64,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,318.68 : 204,510.33 = 42,824.43 : x
  2. Step 2: Convert to fraction form
    136,318.68/204,510.33 = 42,824.43/x
  3. Step 3: Cross multiply
    136,318.68x = 204,510.33 × 42,824.43
  4. Step 4: Simplify right side
    136,318.68x = 8,758,038,311.36
  5. Step 5: Solve for x
    x = 8,758,038,311.36/136,318.68
  6. Step 6: Final answer
    x = 64,246.80

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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.