Home / 147,617.70-221,426.55-137,703.30

Finding the Fourth Proportional to 147,617.70, 221,426.55 and 137,703.30

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Solution

The fourth proportional to 147,617.70, 221,426.55 and 137,703.30 is: 206,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,617.70 : 221,426.55 = 137,703.30 : x
  2. Step 2: Convert to fraction form
    147,617.70/221,426.55 = 137,703.30/x
  3. Step 3: Cross multiply
    147,617.70x = 221,426.55 × 137,703.30
  4. Step 4: Simplify right side
    147,617.70x = 30,491,166,642.62
  5. Step 5: Solve for x
    x = 30,491,166,642.62/147,617.70
  6. Step 6: Final answer
    x = 206,554.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.