Home / 239,568.30-330,588.72-132,139.08

Finding the Fourth Proportional to 239,568.30, 330,588.72 and 132,139.08

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Solution

The fourth proportional to 239,568.30, 330,588.72 and 132,139.08 is: 182,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,568.30 : 330,588.72 = 132,139.08 : x
  2. Step 2: Convert to fraction form
    239,568.30/330,588.72 = 132,139.08/x
  3. Step 3: Cross multiply
    239,568.30x = 330,588.72 × 132,139.08
  4. Step 4: Simplify right side
    239,568.30x = 43,683,689,319.18
  5. Step 5: Solve for x
    x = 43,683,689,319.18/239,568.30
  6. Step 6: Final answer
    x = 182,343.36

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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.