Home / 187,154.47-280,466.33-144,837.56

Finding the Fourth Proportional to 187,154.47, 280,466.33 and 144,837.56

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Solution

The fourth proportional to 187,154.47, 280,466.33 and 144,837.56 is: 217,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,154.47 : 280,466.33 = 144,837.56 : x
  2. Step 2: Convert to fraction form
    187,154.47/280,466.33 = 144,837.56/x
  3. Step 3: Cross multiply
    187,154.47x = 280,466.33 × 144,837.56
  4. Step 4: Simplify right side
    187,154.47x = 40,622,058,899.35
  5. Step 5: Solve for x
    x = 40,622,058,899.35/187,154.47
  6. Step 6: Final answer
    x = 217,050.97

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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.