Home / 239,141.52-330,017.49-131,711.94

Finding the Fourth Proportional to 239,141.52, 330,017.49 and 131,711.94

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Solution

The fourth proportional to 239,141.52, 330,017.49 and 131,711.94 is: 181,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,141.52 : 330,017.49 = 131,711.94 : x
  2. Step 2: Convert to fraction form
    239,141.52/330,017.49 = 131,711.94/x
  3. Step 3: Cross multiply
    239,141.52x = 330,017.49 × 131,711.94
  4. Step 4: Simplify right side
    239,141.52x = 43,467,243,841.83
  5. Step 5: Solve for x
    x = 43,467,243,841.83/239,141.52
  6. Step 6: Final answer
    x = 181,763.68

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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.