Home / 239,038.14-329,891.67-137,072.94

Finding the Fourth Proportional to 239,038.14, 329,891.67 and 137,072.94

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Solution

The fourth proportional to 239,038.14, 329,891.67 and 137,072.94 is: 189,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,038.14 : 329,891.67 = 137,072.94 : x
  2. Step 2: Convert to fraction form
    239,038.14/329,891.67 = 137,072.94/x
  3. Step 3: Cross multiply
    239,038.14x = 329,891.67 × 137,072.94
  4. Step 4: Simplify right side
    239,038.14x = 45,219,221,088.41
  5. Step 5: Solve for x
    x = 45,219,221,088.41/239,038.14
  6. Step 6: Final answer
    x = 189,171.57

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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.