Home / 239,215.77-330,113.61-131,795.73

Finding the Fourth Proportional to 239,215.77, 330,113.61 and 131,795.73

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Solution

The fourth proportional to 239,215.77, 330,113.61 and 131,795.73 is: 181,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,215.77 : 330,113.61 = 131,795.73 : x
  2. Step 2: Convert to fraction form
    239,215.77/330,113.61 = 131,795.73/x
  3. Step 3: Cross multiply
    239,215.77x = 330,113.61 × 131,795.73
  4. Step 4: Simplify right side
    239,215.77x = 43,507,564,212.89
  5. Step 5: Solve for x
    x = 43,507,564,212.89/239,215.77
  6. Step 6: Final answer
    x = 181,875.82

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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.