Home / 218,491.02-301,523.34-123,001.20

Finding the Fourth Proportional to 218,491.02, 301,523.34 and 123,001.20

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Solution

The fourth proportional to 218,491.02, 301,523.34 and 123,001.20 is: 169,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,491.02 : 301,523.34 = 123,001.20 : x
  2. Step 2: Convert to fraction form
    218,491.02/301,523.34 = 123,001.20/x
  3. Step 3: Cross multiply
    218,491.02x = 301,523.34 × 123,001.20
  4. Step 4: Simplify right side
    218,491.02x = 37,087,732,648.01
  5. Step 5: Solve for x
    x = 37,087,732,648.01/218,491.02
  6. Step 6: Final answer
    x = 169,744.88

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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.