Home / 201,723.28-278,367.10-111,062.03

Finding the Fourth Proportional to 201,723.28, 278,367.10 and 111,062.03

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Solution

The fourth proportional to 201,723.28, 278,367.10 and 111,062.03 is: 153,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,723.28 : 278,367.10 = 111,062.03 : x
  2. Step 2: Convert to fraction form
    201,723.28/278,367.10 = 111,062.03/x
  3. Step 3: Cross multiply
    201,723.28x = 278,367.10 × 111,062.03
  4. Step 4: Simplify right side
    201,723.28x = 30,916,013,541.72
  5. Step 5: Solve for x
    x = 30,916,013,541.72/201,723.28
  6. Step 6: Final answer
    x = 153,259.52

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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.