Home / 218,966.64-302,184.32-123,471.29

Finding the Fourth Proportional to 218,966.64, 302,184.32 and 123,471.29

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Solution

The fourth proportional to 218,966.64, 302,184.32 and 123,471.29 is: 170,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,966.64 : 302,184.32 = 123,471.29 : x
  2. Step 2: Convert to fraction form
    218,966.64/302,184.32 = 123,471.29/x
  3. Step 3: Cross multiply
    218,966.64x = 302,184.32 × 123,471.29
  4. Step 4: Simplify right side
    218,966.64x = 37,311,086,941.02
  5. Step 5: Solve for x
    x = 37,311,086,941.02/218,966.64
  6. Step 6: Final answer
    x = 170,396.21

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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.