Home / 218,962.84-302,169.27-123,471.13

Finding the Fourth Proportional to 218,962.84, 302,169.27 and 123,471.13

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Solution

The fourth proportional to 218,962.84, 302,169.27 and 123,471.13 is: 170,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,962.84 : 302,169.27 = 123,471.13 : x
  2. Step 2: Convert to fraction form
    218,962.84/302,169.27 = 123,471.13/x
  3. Step 3: Cross multiply
    218,962.84x = 302,169.27 × 123,471.13
  4. Step 4: Simplify right side
    218,962.84x = 37,309,181,218.18
  5. Step 5: Solve for x
    x = 37,309,181,218.18/218,962.84
  6. Step 6: Final answer
    x = 170,390.47

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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.