Home / 239,784.92-330,911.22-130,895.72

Finding the Fourth Proportional to 239,784.92, 330,911.22 and 130,895.72

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Solution

The fourth proportional to 239,784.92, 330,911.22 and 130,895.72 is: 180,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,784.92 : 330,911.22 = 130,895.72 : x
  2. Step 2: Convert to fraction form
    239,784.92/330,911.22 = 130,895.72/x
  3. Step 3: Cross multiply
    239,784.92x = 330,911.22 × 130,895.72
  4. Step 4: Simplify right side
    239,784.92x = 43,314,862,397.98
  5. Step 5: Solve for x
    x = 43,314,862,397.98/239,784.92
  6. Step 6: Final answer
    x = 180,640.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.