Home / 239,280.05-330,220.96-131,849.95

Finding the Fourth Proportional to 239,280.05, 330,220.96 and 131,849.95

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Solution

The fourth proportional to 239,280.05, 330,220.96 and 131,849.95 is: 181,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,280.05 : 330,220.96 = 131,849.95 : x
  2. Step 2: Convert to fraction form
    239,280.05/330,220.96 = 131,849.95/x
  3. Step 3: Cross multiply
    239,280.05x = 330,220.96 × 131,849.95
  4. Step 4: Simplify right side
    239,280.05x = 43,539,617,064.95
  5. Step 5: Solve for x
    x = 43,539,617,064.95/239,280.05
  6. Step 6: Final answer
    x = 181,960.92

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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.