Home / 239,824.81-330,958.95-130,929.32

Finding the Fourth Proportional to 239,824.81, 330,958.95 and 130,929.32

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Solution

The fourth proportional to 239,824.81, 330,958.95 and 130,929.32 is: 180,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,824.81 : 330,958.95 = 130,929.32 : x
  2. Step 2: Convert to fraction form
    239,824.81/330,958.95 = 130,929.32/x
  3. Step 3: Cross multiply
    239,824.81x = 330,958.95 × 130,929.32
  4. Step 4: Simplify right side
    239,824.81x = 43,332,230,271.41
  5. Step 5: Solve for x
    x = 43,332,230,271.41/239,824.81
  6. Step 6: Final answer
    x = 180,682.85

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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.