Home / 239,301.74-330,238.59-131,875.63

Finding the Fourth Proportional to 239,301.74, 330,238.59 and 131,875.63

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Solution

The fourth proportional to 239,301.74, 330,238.59 and 131,875.63 is: 181,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,301.74 : 330,238.59 = 131,875.63 : x
  2. Step 2: Convert to fraction form
    239,301.74/330,238.59 = 131,875.63/x
  3. Step 3: Cross multiply
    239,301.74x = 330,238.59 × 131,875.63
  4. Step 4: Simplify right side
    239,301.74x = 43,550,420,786.43
  5. Step 5: Solve for x
    x = 43,550,420,786.43/239,301.74
  6. Step 6: Final answer
    x = 181,989.57

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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.