Home / 239,941.12-359,516.76-82,083.28

Finding the Fourth Proportional to 239,941.12, 359,516.76 and 82,083.28

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Solution

The fourth proportional to 239,941.12, 359,516.76 and 82,083.28 is: 122,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,941.12 : 359,516.76 = 82,083.28 : x
  2. Step 2: Convert to fraction form
    239,941.12/359,516.76 = 82,083.28/x
  3. Step 3: Cross multiply
    239,941.12x = 359,516.76 × 82,083.28
  4. Step 4: Simplify right side
    239,941.12x = 29,510,314,875.77
  5. Step 5: Solve for x
    x = 29,510,314,875.77/239,941.12
  6. Step 6: Final answer
    x = 122,989.82

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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.