Home / 201,052.12-301,636.54-81,047.13

Finding the Fourth Proportional to 201,052.12, 301,636.54 and 81,047.13

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Solution

The fourth proportional to 201,052.12, 301,636.54 and 81,047.13 is: 121,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,052.12 : 301,636.54 = 81,047.13 : x
  2. Step 2: Convert to fraction form
    201,052.12/301,636.54 = 81,047.13/x
  3. Step 3: Cross multiply
    201,052.12x = 301,636.54 × 81,047.13
  4. Step 4: Simplify right side
    201,052.12x = 24,446,775,870.13
  5. Step 5: Solve for x
    x = 24,446,775,870.13/201,052.12
  6. Step 6: Final answer
    x = 121,594.22

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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.