Home / 239,323.29-330,266.75-130,428.46

Finding the Fourth Proportional to 239,323.29, 330,266.75 and 130,428.46

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Solution

The fourth proportional to 239,323.29, 330,266.75 and 130,428.46 is: 179,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,323.29 : 330,266.75 = 130,428.46 : x
  2. Step 2: Convert to fraction form
    239,323.29/330,266.75 = 130,428.46/x
  3. Step 3: Cross multiply
    239,323.29x = 330,266.75 × 130,428.46
  4. Step 4: Simplify right side
    239,323.29x = 43,076,183,591.71
  5. Step 5: Solve for x
    x = 43,076,183,591.71/239,323.29
  6. Step 6: Final answer
    x = 179,991.61

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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.