Home / 238,942.05-329,737.50-131,509.77

Finding the Fourth Proportional to 238,942.05, 329,737.50 and 131,509.77

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Solution

The fourth proportional to 238,942.05, 329,737.50 and 131,509.77 is: 181,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,942.05 : 329,737.50 = 131,509.77 : x
  2. Step 2: Convert to fraction form
    238,942.05/329,737.50 = 131,509.77/x
  3. Step 3: Cross multiply
    238,942.05x = 329,737.50 × 131,509.77
  4. Step 4: Simplify right side
    238,942.05x = 43,363,702,785.38
  5. Step 5: Solve for x
    x = 43,363,702,785.38/238,942.05
  6. Step 6: Final answer
    x = 181,482.09

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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.