Home / 239,088.81-329,942.54-131,658.59

Finding the Fourth Proportional to 239,088.81, 329,942.54 and 131,658.59

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Solution

The fourth proportional to 239,088.81, 329,942.54 and 131,658.59 is: 181,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,088.81 : 329,942.54 = 131,658.59 : x
  2. Step 2: Convert to fraction form
    239,088.81/329,942.54 = 131,658.59/x
  3. Step 3: Cross multiply
    239,088.81x = 329,942.54 × 131,658.59
  4. Step 4: Simplify right side
    239,088.81x = 43,439,767,289.41
  5. Step 5: Solve for x
    x = 43,439,767,289.41/239,088.81
  6. Step 6: Final answer
    x = 181,688.83

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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.