Home / 220,242.99-303,863.03-123,432.69

Finding the Fourth Proportional to 220,242.99, 303,863.03 and 123,432.69

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Solution

The fourth proportional to 220,242.99, 303,863.03 and 123,432.69 is: 170,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,242.99 : 303,863.03 = 123,432.69 : x
  2. Step 2: Convert to fraction form
    220,242.99/303,863.03 = 123,432.69/x
  3. Step 3: Cross multiply
    220,242.99x = 303,863.03 × 123,432.69
  4. Step 4: Simplify right side
    220,242.99x = 37,506,631,184.45
  5. Step 5: Solve for x
    x = 37,506,631,184.45/220,242.99
  6. Step 6: Final answer
    x = 170,296.59

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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.