Home / 239,235.28-330,108.62-135,853.36

Finding the Fourth Proportional to 239,235.28, 330,108.62 and 135,853.36

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Solution

The fourth proportional to 239,235.28, 330,108.62 and 135,853.36 is: 187,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,235.28 : 330,108.62 = 135,853.36 : x
  2. Step 2: Convert to fraction form
    239,235.28/330,108.62 = 135,853.36/x
  3. Step 3: Cross multiply
    239,235.28x = 330,108.62 × 135,853.36
  4. Step 4: Simplify right side
    239,235.28x = 44,846,365,191.96
  5. Step 5: Solve for x
    x = 44,846,365,191.96/239,235.28
  6. Step 6: Final answer
    x = 187,457.16

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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.