Home / 239,500.36-330,496.50-137,502.28

Finding the Fourth Proportional to 239,500.36, 330,496.50 and 137,502.28

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Solution

The fourth proportional to 239,500.36, 330,496.50 and 137,502.28 is: 189,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,500.36 : 330,496.50 = 137,502.28 : x
  2. Step 2: Convert to fraction form
    239,500.36/330,496.50 = 137,502.28/x
  3. Step 3: Cross multiply
    239,500.36x = 330,496.50 × 137,502.28
  4. Step 4: Simplify right side
    239,500.36x = 45,444,022,282.02
  5. Step 5: Solve for x
    x = 45,444,022,282.02/239,500.36
  6. Step 6: Final answer
    x = 189,745.11

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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.