Home / 147,733.40-221,448.90-72,738.20

Finding the Fourth Proportional to 147,733.40, 221,448.90 and 72,738.20

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Solution

The fourth proportional to 147,733.40, 221,448.90 and 72,738.20 is: 109,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,733.40 : 221,448.90 = 72,738.20 : x
  2. Step 2: Convert to fraction form
    147,733.40/221,448.90 = 72,738.20/x
  3. Step 3: Cross multiply
    147,733.40x = 221,448.90 × 72,738.20
  4. Step 4: Simplify right side
    147,733.40x = 16,107,794,377.98
  5. Step 5: Solve for x
    x = 16,107,794,377.98/147,733.40
  6. Step 6: Final answer
    x = 109,032.85

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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.