Home / 187,147.36-280,637.66-53,995.96

Finding the Fourth Proportional to 187,147.36, 280,637.66 and 53,995.96

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Solution

The fourth proportional to 187,147.36, 280,637.66 and 53,995.96 is: 80,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,147.36 : 280,637.66 = 53,995.96 : x
  2. Step 2: Convert to fraction form
    187,147.36/280,637.66 = 53,995.96/x
  3. Step 3: Cross multiply
    187,147.36x = 280,637.66 × 53,995.96
  4. Step 4: Simplify right side
    187,147.36x = 15,153,299,593.87
  5. Step 5: Solve for x
    x = 15,153,299,593.87/187,147.36
  6. Step 6: Final answer
    x = 80,969.88

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1.5x scale

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.