Home / 239,215-330,131.82-131,785.24

Finding the Fourth Proportional to 239,215, 330,131.82 and 131,785.24

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Solution

The fourth proportional to 239,215, 330,131.82 and 131,785.24 is: 181,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,215 : 330,131.82 = 131,785.24 : x
  2. Step 2: Convert to fraction form
    239,215/330,131.82 = 131,785.24/x
  3. Step 3: Cross multiply
    239,215x = 330,131.82 × 131,785.24
  4. Step 4: Simplify right side
    239,215x = 43,506,501,130.34
  5. Step 5: Solve for x
    x = 43,506,501,130.34/239,215
  6. Step 6: Final answer
    x = 181,871.96

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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.