Home / 147,384.96-221,120.49-47,542.94

Finding the Fourth Proportional to 147,384.96, 221,120.49 and 47,542.94

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Solution

The fourth proportional to 147,384.96, 221,120.49 and 47,542.94 is: 71,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.96 : 221,120.49 = 47,542.94 : x
  2. Step 2: Convert to fraction form
    147,384.96/221,120.49 = 47,542.94/x
  3. Step 3: Cross multiply
    147,384.96x = 221,120.49 × 47,542.94
  4. Step 4: Simplify right side
    147,384.96x = 10,512,718,188.84
  5. Step 5: Solve for x
    x = 10,512,718,188.84/147,384.96
  6. Step 6: Final answer
    x = 71,328.30

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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.