Home / 147,021.99-220,519.86-47,155.06

Finding the Fourth Proportional to 147,021.99, 220,519.86 and 47,155.06

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Solution

The fourth proportional to 147,021.99, 220,519.86 and 47,155.06 is: 70,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,021.99 : 220,519.86 = 47,155.06 : x
  2. Step 2: Convert to fraction form
    147,021.99/220,519.86 = 47,155.06/x
  3. Step 3: Cross multiply
    147,021.99x = 220,519.86 × 47,155.06
  4. Step 4: Simplify right side
    147,021.99x = 10,398,627,229.49
  5. Step 5: Solve for x
    x = 10,398,627,229.49/147,021.99
  6. Step 6: Final answer
    x = 70,728.38

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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.