Home / 215,687.64-297,564.04-144,114.40

Finding the Fourth Proportional to 215,687.64, 297,564.04 and 144,114.40

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Solution

The fourth proportional to 215,687.64, 297,564.04 and 144,114.40 is: 198,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,687.64 : 297,564.04 = 144,114.40 : x
  2. Step 2: Convert to fraction form
    215,687.64/297,564.04 = 144,114.40/x
  3. Step 3: Cross multiply
    215,687.64x = 297,564.04 × 144,114.40
  4. Step 4: Simplify right side
    215,687.64x = 42,883,263,086.18
  5. Step 5: Solve for x
    x = 42,883,263,086.18/215,687.64
  6. Step 6: Final answer
    x = 198,821.14

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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.