Home / 220,029.47-303,542.98-143,530.94

Finding the Fourth Proportional to 220,029.47, 303,542.98 and 143,530.94

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Solution

The fourth proportional to 220,029.47, 303,542.98 and 143,530.94 is: 198,008.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,029.47 : 303,542.98 = 143,530.94 : x
  2. Step 2: Convert to fraction form
    220,029.47/303,542.98 = 143,530.94/x
  3. Step 3: Cross multiply
    220,029.47x = 303,542.98 × 143,530.94
  4. Step 4: Simplify right side
    220,029.47x = 43,567,808,532.15
  5. Step 5: Solve for x
    x = 43,567,808,532.15/220,029.47
  6. Step 6: Final answer
    x = 198,008.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.