Home / 187,064.24-280,637.87-53,934.12

Finding the Fourth Proportional to 187,064.24, 280,637.87 and 53,934.12

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Solution

The fourth proportional to 187,064.24, 280,637.87 and 53,934.12 is: 80,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,064.24 : 280,637.87 = 53,934.12 : x
  2. Step 2: Convert to fraction form
    187,064.24/280,637.87 = 53,934.12/x
  3. Step 3: Cross multiply
    187,064.24x = 280,637.87 × 53,934.12
  4. Step 4: Simplify right side
    187,064.24x = 15,135,956,287.45
  5. Step 5: Solve for x
    x = 15,135,956,287.45/187,064.24
  6. Step 6: Final answer
    x = 80,913.15

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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.