Home / 465,170.14-697,629.19-128,130.63

Finding the Fourth Proportional to 465,170.14, 697,629.19 and 128,130.63

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Solution

The fourth proportional to 465,170.14, 697,629.19 and 128,130.63 is: 192,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,170.14 : 697,629.19 = 128,130.63 : x
  2. Step 2: Convert to fraction form
    465,170.14/697,629.19 = 128,130.63/x
  3. Step 3: Cross multiply
    465,170.14x = 697,629.19 × 128,130.63
  4. Step 4: Simplify right side
    465,170.14x = 89,387,667,621.09
  5. Step 5: Solve for x
    x = 89,387,667,621.09/465,170.14
  6. Step 6: Final answer
    x = 192,161.23

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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.