Home / 239,862.76-331,005.30-130,963.36

Finding the Fourth Proportional to 239,862.76, 331,005.30 and 130,963.36

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Solution

The fourth proportional to 239,862.76, 331,005.30 and 130,963.36 is: 180,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,862.76 : 331,005.30 = 130,963.36 : x
  2. Step 2: Convert to fraction form
    239,862.76/331,005.30 = 130,963.36/x
  3. Step 3: Cross multiply
    239,862.76x = 331,005.30 × 130,963.36
  4. Step 4: Simplify right side
    239,862.76x = 43,349,566,265.81
  5. Step 5: Solve for x
    x = 43,349,566,265.81/239,862.76
  6. Step 6: Final answer
    x = 180,726.54

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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.