Home / 197,147.40-295,721.10-84,881.40

Finding the Fourth Proportional to 197,147.40, 295,721.10 and 84,881.40

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Solution

The fourth proportional to 197,147.40, 295,721.10 and 84,881.40 is: 127,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,147.40 : 295,721.10 = 84,881.40 : x
  2. Step 2: Convert to fraction form
    197,147.40/295,721.10 = 84,881.40/x
  3. Step 3: Cross multiply
    197,147.40x = 295,721.10 × 84,881.40
  4. Step 4: Simplify right side
    197,147.40x = 25,101,220,977.54
  5. Step 5: Solve for x
    x = 25,101,220,977.54/197,147.40
  6. Step 6: Final answer
    x = 127,322.10

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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.