Home / 201,426.24-301,867.19-76,699.20

Finding the Fourth Proportional to 201,426.24, 301,867.19 and 76,699.20

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Solution

The fourth proportional to 201,426.24, 301,867.19 and 76,699.20 is: 114,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,426.24 : 301,867.19 = 76,699.20 : x
  2. Step 2: Convert to fraction form
    201,426.24/301,867.19 = 76,699.20/x
  3. Step 3: Cross multiply
    201,426.24x = 301,867.19 × 76,699.20
  4. Step 4: Simplify right side
    201,426.24x = 23,152,971,979.25
  5. Step 5: Solve for x
    x = 23,152,971,979.25/201,426.24
  6. Step 6: Final answer
    x = 114,945.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.