Home / 239,981.58-360,050.13-82,211.40

Finding the Fourth Proportional to 239,981.58, 360,050.13 and 82,211.40

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Solution

The fourth proportional to 239,981.58, 360,050.13 and 82,211.40 is: 123,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.58 : 360,050.13 = 82,211.40 : x
  2. Step 2: Convert to fraction form
    239,981.58/360,050.13 = 82,211.40/x
  3. Step 3: Cross multiply
    239,981.58x = 360,050.13 × 82,211.40
  4. Step 4: Simplify right side
    239,981.58x = 29,600,225,257.48
  5. Step 5: Solve for x
    x = 29,600,225,257.48/239,981.58
  6. Step 6: Final answer
    x = 123,343.74

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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.