Home / 239,291.71-330,224.77-131,865.58

Finding the Fourth Proportional to 239,291.71, 330,224.77 and 131,865.58

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Solution

The fourth proportional to 239,291.71, 330,224.77 and 131,865.58 is: 181,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,291.71 : 330,224.77 = 131,865.58 : x
  2. Step 2: Convert to fraction form
    239,291.71/330,224.77 = 131,865.58/x
  3. Step 3: Cross multiply
    239,291.71x = 330,224.77 × 131,865.58
  4. Step 4: Simplify right side
    239,291.71x = 43,545,280,826.42
  5. Step 5: Solve for x
    x = 43,545,280,826.42/239,291.71
  6. Step 6: Final answer
    x = 181,975.72

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1.5x scale

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.