Home / 144,737.06-217,439.33-138,758.45

Finding the Fourth Proportional to 144,737.06, 217,439.33 and 138,758.45

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Solution

The fourth proportional to 144,737.06, 217,439.33 and 138,758.45 is: 208,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,737.06 : 217,439.33 = 138,758.45 : x
  2. Step 2: Convert to fraction form
    144,737.06/217,439.33 = 138,758.45/x
  3. Step 3: Cross multiply
    144,737.06x = 217,439.33 × 138,758.45
  4. Step 4: Simplify right side
    144,737.06x = 30,171,542,618.85
  5. Step 5: Solve for x
    x = 30,171,542,618.85/144,737.06
  6. Step 6: Final answer
    x = 208,457.62

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1.5x scale

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.