Home / 147,490.50-221,216.91-47,640.33

Finding the Fourth Proportional to 147,490.50, 221,216.91 and 47,640.33

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Solution

The fourth proportional to 147,490.50, 221,216.91 and 47,640.33 is: 71,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,490.50 : 221,216.91 = 47,640.33 : x
  2. Step 2: Convert to fraction form
    147,490.50/221,216.91 = 47,640.33/x
  3. Step 3: Cross multiply
    147,490.50x = 221,216.91 × 47,640.33
  4. Step 4: Simplify right side
    147,490.50x = 10,538,846,593.98
  5. Step 5: Solve for x
    x = 10,538,846,593.98/147,490.50
  6. Step 6: Final answer
    x = 71,454.41

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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.