Home / 239,130.15-330,014.54-131,700.15

Finding the Fourth Proportional to 239,130.15, 330,014.54 and 131,700.15

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Solution

The fourth proportional to 239,130.15, 330,014.54 and 131,700.15 is: 181,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,130.15 : 330,014.54 = 131,700.15 : x
  2. Step 2: Convert to fraction form
    239,130.15/330,014.54 = 131,700.15/x
  3. Step 3: Cross multiply
    239,130.15x = 330,014.54 × 131,700.15
  4. Step 4: Simplify right side
    239,130.15x = 43,462,963,761.68
  5. Step 5: Solve for x
    x = 43,462,963,761.68/239,130.15
  6. Step 6: Final answer
    x = 181,754.43

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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.