Home / 187,242.81-280,866.26-54,124.22

Finding the Fourth Proportional to 187,242.81, 280,866.26 and 54,124.22

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Solution

The fourth proportional to 187,242.81, 280,866.26 and 54,124.22 is: 81,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,242.81 : 280,866.26 = 54,124.22 : x
  2. Step 2: Convert to fraction form
    187,242.81/280,866.26 = 54,124.22/x
  3. Step 3: Cross multiply
    187,242.81x = 280,866.26 × 54,124.22
  4. Step 4: Simplify right side
    187,242.81x = 15,201,667,031.04
  5. Step 5: Solve for x
    x = 15,201,667,031.04/187,242.81
  6. Step 6: Final answer
    x = 81,186.92

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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.